11312542555 has 24 divisors (see below), whose sum is σ = 13929723792. Its totient is φ = 8819463744.

The previous prime is 11312542529. The next prime is 11312542627. The reversal of 11312542555 is 55524521311.

It is a de Polignac number, because none of the positive numbers 2^k-11312542555 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312542555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5055897 + ... + 5058133.

It is an arithmetic number, because the mean of its divisors is an integer number (580405158).

Almost surely, 2^11312542555 is an apocalyptic number.

11312542555 is a deficient number, since it is larger than the sum of its proper divisors (2617181237).

11312542555 is an equidigital number, since it uses as much as digits as its factorization.

11312542555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2832 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The spelling of 11312542555 in words is "eleven billion, three hundred twelve million, five hundred forty-two thousand, five hundred fifty-five".