11615056516 has 24 divisors (see below), whose sum is σ = 24452751680. Its totient is φ = 4715887392.

The previous prime is 11615056507. The next prime is 11615056549. The reversal of 11615056516 is 61565051611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10915875 + ... + 10916938.

Almost surely, 2^11615056516 is an apocalyptic number.

It is an amenable number.

11615056516 is an abundant number, since it is smaller than the sum of its proper divisors (12837695164).

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

11615056516 is a wasteful number, since it uses less digits than its factorization.

11615056516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21832843 (or 21832841 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 11615056516 in words is "eleven billion, six hundred fifteen million, fifty-six thousand, five hundred sixteen".