11521459332 has 48 divisors (see below), whose sum is σ = 29978363520. Its totient is φ = 3826611936.

The previous prime is 11521459309. The next prime is 11521459379. The reversal of 11521459332 is 23395412511.

It is a happy number.

11521459332 is a `hidden beast` number, since 1 + 1 + 52 + 14 + 593 + 3 + 2 = 666.

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, 162648 + ... + 222479.

It is an arithmetic number, because the mean of its divisors is an integer number (624549240).

Almost surely, 2^11521459332 is an apocalyptic number.

11521459332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11521459332 is an abundant number, since it is smaller than the sum of its proper divisors (18456904188).

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

11521459332 is a wasteful number, since it uses less digits than its factorization.

11521459332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385417 (or 385409 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The spelling of 11521459332 in words is "eleven billion, five hundred twenty-one million, four hundred fifty-nine thousand, three hundred thirty-two".