11162971056 has 20 divisors (see below), whose sum is σ = 28837675352. Its totient is φ = 3720990336.

The previous prime is 11162971031. The next prime is 11162971063. The reversal of 11162971056 is 65017926111.

It is a super-2 number, since 2×11162971056² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116280901 + ... + 116280996.

Almost surely, 2^11162971056 is an apocalyptic number.

11162971056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11162971056 is an abundant number, since it is smaller than the sum of its proper divisors (17674704296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11162971056 is a wasteful number, since it uses less digits than its factorization.

11162971056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232561908 (or 232561902 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 11162971056 in words is "eleven billion, one hundred sixty-two million, nine hundred seventy-one thousand, fifty-six".