11157367131 has 24 divisors (see below), whose sum is σ = 17422925520. Its totient is φ = 6856301376.

The previous prime is 11157367099. The next prime is 11157367157. The reversal of 11157367131 is 13176375111.

11157367131 is a `hidden beast` number, since 1 + 11 + 573 + 6 + 71 + 3 + 1 = 666.

It is not a de Polignac number, because 11157367131 - 2⁵ = 11157367099 is a prime.

It is a super-2 number, since 2×11157367131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11157367031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875400 + ... + 888053.

It is an arithmetic number, because the mean of its divisors is an integer number (725955230).

Almost surely, 2^11157367131 is an apocalyptic number.

11157367131 is a deficient number, since it is larger than the sum of its proper divisors (6265558389).

11157367131 is a wasteful number, since it uses less digits than its factorization.

11157367131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763515 (or 1763512 counting only the distinct ones).

The product of its digits is 13230, while the sum is 36.

The spelling of 11157367131 in words is "eleven billion, one hundred fifty-seven million, three hundred sixty-seven thousand, one hundred thirty-one".