11325519999972 has 72 divisors (see below), whose sum is σ = 28648930564800. Its totient is φ = 3772466499648.

The previous prime is 11325519999971. The next prime is 11325519999973. The reversal of 11325519999972 is 27999991552311.

11325519999972 is a `hidden beast` number, since 1 + 1 + 32 + 5 + 519 + 9 + 9 + 9 + 9 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (11325519999971) and next prime (11325519999973).

It is a self number, because there is not a number n which added to its sum of digits gives 11325519999972.

It is not an unprimeable number, because it can be changed into a prime (11325519999971) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 474275929 + ... + 474299807.

It is an arithmetic number, because the mean of its divisors is an integer number (397901813400).

Almost surely, 2^{11325519999972} is an apocalyptic number.

11325519999972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11325519999972 is an abundant number, since it is smaller than the sum of its proper divisors (17323410564828).

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

11325519999972 is a wasteful number, since it uses less digits than its factorization.

11325519999972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32785 (or 32780 counting only the distinct ones).

The product of its digits is 124002900, while the sum is 72.

The spelling of 11325519999972 in words is "eleven trillion, three hundred twenty-five billion, five hundred nineteen million, nine hundred ninety-nine thousand, nine hundred seventy-two".