15172331264 has 36 divisors (see below), whose sum is σ = 30294606384. Its totient is φ = 7583858688.

The previous prime is 15172331249. The next prime is 15172331267. The reversal of 15172331264 is 46213327151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172331267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100864 + ... + 1114560.

It is an arithmetic number, because the mean of its divisors is an integer number (841516844).

Almost surely, 2^15172331264 is an apocalyptic number.

It is an amenable number.

15172331264 is a deficient number, since it is larger than the sum of its proper divisors (15122275120).

15172331264 is an equidigital number, since it uses as much as digits as its factorization.

15172331264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18040 (or 18026 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The spelling of 15172331264 in words is "fifteen billion, one hundred seventy-two million, three hundred thirty-one thousand, two hundred sixty-four".