10113639091 has 4 divisors (see below), whose sum is σ = 10256084784. Its totient is φ = 9971193400.

The previous prime is 10113639047. The next prime is 10113639121. The reversal of 10113639091 is 19093631101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10113639091 - 2²⁷ = 9979421363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113633091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71222740 + ... + 71222881.

It is an arithmetic number, because the mean of its divisors is an integer number (2564021196).

Almost surely, 2^10113639091 is an apocalyptic number.

10113639091 is a deficient number, since it is larger than the sum of its proper divisors (142445693).

10113639091 is an equidigital number, since it uses as much as digits as its factorization.

10113639091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142445692.

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 10113639091 in words is "ten billion, one hundred thirteen million, six hundred thirty-nine thousand, ninety-one".