15387372672 has 64 divisors (see below), whose sum is σ = 46711675200. Its totient is φ = 4396391424.

The previous prime is 15387372667. The next prime is 15387372731. The reversal of 15387372672 is 27627378351.

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

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 in 7 ways as a sum of consecutive naturals, for example, 2859547 + ... + 2864922.

It is an arithmetic number, because the mean of its divisors is an integer number (729869925).

Almost surely, 2^15387372672 is an apocalyptic number.

15387372672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15387372672 is an abundant number, since it is smaller than the sum of its proper divisors (31324302528).

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

15387372672 is an equidigital number, since it uses as much as digits as its factorization.

15387372672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724493 (or 5724481 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The spelling of 15387372672 in words is "fifteen billion, three hundred eighty-seven million, three hundred seventy-two thousand, six hundred seventy-two".