10000091009091 has 16 divisors (see below), whose sum is σ = 13435860672000. Its totient is φ = 6615610474848.

The previous prime is 10000091009003. The next prime is 10000091009093. The reversal of 10000091009091 is 19090019000001.

It is not a de Polignac number, because 10000091009091 - 2³⁸ = 9725213102147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10000091009093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10301481 + ... + 11230346.

It is an arithmetic number, because the mean of its divisors is an integer number (839741292000).

Almost surely, 2^{10000091009091} is an apocalyptic number.

10000091009091 is a deficient number, since it is larger than the sum of its proper divisors (3435769662909).

10000091009091 is a wasteful number, since it uses less digits than its factorization.

10000091009091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533018.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 10000091009091 in words is "ten trillion, ninety-one million, nine thousand, ninety-one".