11456880456 has 64 divisors (see below), whose sum is σ = 32826844800. Its totient is φ = 3264104448.

The previous prime is 11456880353. The next prime is 11456880473. The reversal of 11456880456 is 65408865411.

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, 37291 + ... + 155898.

It is an arithmetic number, because the mean of its divisors is an integer number (512919450).

Almost surely, 2^11456880456 is an apocalyptic number.

It is an amenable number.

11456880456 is an abundant number, since it is smaller than the sum of its proper divisors (21369964344).

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

11456880456 is a wasteful number, since it uses less digits than its factorization.

11456880456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193558 (or 193554 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 11456880456 in words is "eleven billion, four hundred fifty-six million, eight hundred eighty thousand, four hundred fifty-six".