10091910009191 has 8 divisors (see below), whose sum is σ = 10168016762400. Its totient is φ = 10015914933792.

The previous prime is 10091910009161. The next prime is 10091910009197. The reversal of 10091910009191 is 19190001919001.

It is a happy number.

10091910009191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10091910009191 - 2³⁸ = 9817032102247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091910009197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27738035 + ... + 28099508.

It is an arithmetic number, because the mean of its divisors is an integer number (1271002095300).

Almost surely, 2^{10091910009191} is an apocalyptic number.

10091910009191 is a deficient number, since it is larger than the sum of its proper divisors (76106753209).

10091910009191 is a wasteful number, since it uses less digits than its factorization.

10091910009191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55838905.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 10091910009191 in words is "ten trillion, ninety-one billion, nine hundred ten million, nine thousand, one hundred ninety-one".