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A Trigintacentillion (1 Trigintacentillion) is 10 to the power of 393 (10^393). This is a monumentally astronomical number!

How many zeros in a Trigintacentillion?

There are 393 zeros in a Trigintacentillion.

What's before Trigintacentillion?

A Novemviginticentillion is smaller than a Trigintacentillion.

What's after Trigintacentillion?

A Untrigintacentillion is larger than a Trigintacentillion.


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

Is Trigintacentillion the largest number?

Trigintacentillion 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.

Trigintacentillion written out

Trigintacentillion is written out as:


Big Numbers

This is just one of many really big numbers!

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