11552438732928 has 64 divisors (see below), whose sum is σ = 32491233954720. Its totient is φ = 3624294502400.

The previous prime is 11552438732917. The next prime is 11552438732929. The reversal of 11552438732928 is 82923783425511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11552438732928² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11552438732929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884830998 + ... + 884844053.

Almost surely, 2^{11552438732928} is an apocalyptic number.

It is an amenable number.

11552438732928 is an abundant number, since it is smaller than the sum of its proper divisors (20938795221792).

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

11552438732928 is a wasteful number, since it uses less digits than its factorization.

11552438732928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769675085 (or 1769675073 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 11552438732928 in words is "eleven trillion, five hundred fifty-two billion, four hundred thirty-eight million, seven hundred thirty-two thousand, nine hundred twenty-eight".