72507152512 has 16 divisors (see below), whose sum is σ = 144447843150. Its totient is φ = 36253576192.

The previous prime is 72507152483. The next prime is 72507152567. The reversal of 72507152512 is 21525170527.

It can be written as a sum of positive squares in only one way, i.e., 71751122496 + 756030016 = 267864^2 + 27496^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 283230937 + ... + 283231192.

Almost surely, 2^72507152512 is an apocalyptic number.

It is an amenable number.

72507152512 is a deficient number, since it is larger than the sum of its proper divisors (71940690638).

72507152512 is an equidigital number, since it uses as much as digits as its factorization.

72507152512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566462143 (or 566462131 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 72507152512 in words is "seventy-two billion, five hundred seven million, one hundred fifty-two thousand, five hundred twelve".