11532555253120 has 64 divisors (see below), whose sum is σ = 30076379911440. Its totient is φ = 4193656453120.

The previous prime is 11532555253097. The next prime is 11532555253157. The reversal of 11532555253120 is 2135255523511.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819066487 + ... + 819080566.

Almost surely, 2^{11532555253120} is an apocalyptic number.

11532555253120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532555253120 is an abundant number, since it is smaller than the sum of its proper divisors (18543824658320).

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

11532555253120 is a wasteful number, since it uses less digits than its factorization.

11532555253120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638147083 (or 1638147071 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 11532555253120 in words is "eleven trillion, five hundred thirty-two billion, five hundred fifty-five million, two hundred fifty-three thousand, one hundred twenty".