11529236928 has 56 divisors (see below), whose sum is σ = 33277576320. Its totient is φ = 3493707520.

The previous prime is 11529236909. The next prime is 11529236951. The reversal of 11529236928 is 82963292511.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 2727348 + ... + 2731571.

Almost surely, 2^11529236928 is an apocalyptic number.

It is an amenable number.

11529236928 is an abundant number, since it is smaller than the sum of its proper divisors (21748339392).

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

11529236928 is a wasteful number, since it uses less digits than its factorization.

11529236928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458945 (or 5458935 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The spelling of 11529236928 in words is "eleven billion, five hundred twenty-nine million, two hundred thirty-six thousand, nine hundred twenty-eight".