11555160516 has 48 divisors (see below), whose sum is σ = 29991998400. Its totient is φ = 3847326336.

The previous prime is 11555160497. The next prime is 11555160563. The reversal of 11555160516 is 61506155511.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34780 + ... + 155948.

It is an arithmetic number, because the mean of its divisors is an integer number (624833300).

Almost surely, 2^11555160516 is an apocalyptic number.

It is an amenable number.

11555160516 is an abundant number, since it is smaller than the sum of its proper divisors (18436837884).

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

11555160516 is a wasteful number, since it uses less digits than its factorization.

11555160516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122065 (or 122057 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 11555160516 in words is "eleven billion, five hundred fifty-five million, one hundred sixty thousand, five hundred sixteen".