15321032152 has 32 divisors (see below), whose sum is σ = 29005653600. Its totient is φ = 7586265600.

The previous prime is 15321032141. The next prime is 15321032171. The reversal of 15321032152 is 25123012351.

It is a super-2 number, since 2×15321032152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360752 + ... + 2367232.

It is an arithmetic number, because the mean of its divisors is an integer number (906426675).

Almost surely, 2^15321032152 is an apocalyptic number.

It is an amenable number.

15321032152 is a deficient number, since it is larger than the sum of its proper divisors (13684621448).

15321032152 is a wasteful number, since it uses less digits than its factorization.

15321032152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9307 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 15321032152 in words is "fifteen billion, three hundred twenty-one million, thirty-two thousand, one hundred fifty-two".