11312617356 has 48 divisors (see below), whose sum is σ = 29338270080. Its totient is φ = 3769681680.

The previous prime is 11312617339. The next prime is 11312617357. The reversal of 11312617356 is 65371621311.

11312617356 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 2 + 617 + 35 + 6 = 666.

It is a super-2 number, since 2×11312617356² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11312617356.

It is not an unprimeable number, because it can be changed into a prime (11312617357) 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, 368311 + ... + 397841.

It is an arithmetic number, because the mean of its divisors is an integer number (611213960).

Almost surely, 2^11312617356 is an apocalyptic number.

It is an amenable number.

11312617356 is an abundant number, since it is smaller than the sum of its proper divisors (18025652724).

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

11312617356 is a wasteful number, since it uses less digits than its factorization.

11312617356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33091 (or 33083 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The spelling of 11312617356 in words is "eleven billion, three hundred twelve million, six hundred seventeen thousand, three hundred fifty-six".