What comes after billionaire and trillionaire?

Millionaire billionaire and beyond

This article may feature affiliate links, and purchases made may earn us a commission at no extra cost to you. Find out more here.

Whether you’re planning your retirement or trying to calculate the world debt, here’s where you can line up the numbers beyond millionaire, billionaire and trillionaire!

Background of new 100 US dollars banknotes bills
Credit: f9photos/Envato
Of course, to find out the name of the number in question, just take off the -aire suffix.
Billionaire and trillionaire – and beyond

Millionaire (6 zeros): 1,000,000

Billionaire (9 zeros): 1,000,000,000

Trillionaire (12 zeros): 1,000,000,000,000

Quadrillionaire (15 zeros): 1,000,000,000,000,000

Quintillionaire (18 zeros): 1,000,000,000,000,000,000

Sextillionaire (21 zeros): 1,000,000,000,000,000,000,000

Septillionaire (24 zeros): 1,000,000,000,000,000,000,000,000

Octillionaire (27 zeros): 1,000,000,000,000,000,000,000,000,000

Nonillionaire (30 zeros): 1,000,000,000,000,000,000,000,000,000,000

Decillionaire (33 zeros): 1,000,000,000,000,000,000,000,000,000,000,000

Undecillionaire (36 zeros): 1,000,000,000,000,000,000,000,000,000,000,000,000

Duodecillionaire (39 zeros): 1,000,000,000,000,000,000,000,000,000,000,000,000,000

Tredecillionaire (42 zeros):
1,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Quattuordecillionaire (45 zeros):
1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Quindecillionaire (48 zeros):
1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Sexdecillionaire (51 zeros):
1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Septendecillionaire (54 zeros)

Octodecillionaire (57 zeros)

Novemdecillionaire (60 zeros)

Vigintillionaire (63 zeros)

Undecillionaire (60 zeros)

Centillionaire (303 zeros)

* All of the numbers above are based on the modern “Short scale” used by the US, Canada and the UK. “Long scale” numbers (used in continental Europe) will be different.

Nancy J Price & Betsy Bailey

Nancy J Price & Betsy Bailey

We're Nancy and Betsy, and we've been adventuring in the digital world since the mid-90s -- truly making us that type of entrepreneurial internet pioneer Gen X is known for! We started Myria.com back in 1998 and later launched SheKnows.com -- among various other online and print projects. Our partnership has spanned decades and crossed state lines (multiple times!). Nancy currently resides Arizona, and Betsy's newest home base is Minnesota. It's been an incredible journey of collaboration and innovation. You can read more about our story here!

don't miss