11591634984 has 32 divisors (see below), whose sum is σ = 29762308320. Its totient is φ = 3759448896.

The previous prime is 11591634961. The next prime is 11591634997. The reversal of 11591634984 is 48943619511.

It is a happy number.

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, 6525934 + ... + 6527709.

It is an arithmetic number, because the mean of its divisors is an integer number (930072135).

Almost surely, 2^11591634984 is an apocalyptic number.

It is an amenable number.

11591634984 is an abundant number, since it is smaller than the sum of its proper divisors (18170673336).

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

11591634984 is a wasteful number, since it uses less digits than its factorization.

11591634984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053689 (or 13053685 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The spelling of 11591634984 in words is "eleven billion, five hundred ninety-one million, six hundred thirty-four thousand, nine hundred eighty-four".