Create Free Account | Log In


A Duosexagintillion (1 Duosexagintillion) is 10 to the power of 189 (10^189). This is an immensely enormous number!

How many zeros in a Duosexagintillion?

There are 189 zeros in a Duosexagintillion.

What's before Duosexagintillion?

A Unsexagintillion is smaller than a Duosexagintillion.

What's after Duosexagintillion?

A Tresexagintillion is larger than a Duosexagintillion.


A Duosexagintillionaire is someone whos assets, net worth or wealth is 1 or more Duosexagintillion. It is unlikely anyone will ever be a true Duosexagintillionaire. If you want to be a Duosexagintillionaire, play Tap Tales!

Is Duosexagintillion the largest number?

Duosexagintillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Duosexagintillion written out

Duosexagintillion is written out as:


Big Numbers

This is just one of many really big numbers!

Play Now

Choose your device:

FREE to download and play!