15315102252 has 18 divisors (see below), whose sum is σ = 38713175228. Its totient is φ = 5105034072.

The previous prime is 15315102241. The next prime is 15315102263. The reversal of 15315102252 is 25220151351.

15315102252 is a `hidden beast` number, since 1 + 531 + 5 + 102 + 25 + 2 = 666.

15315102252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15315102241) and next prime (15315102263).

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212709718 + ... + 212709789.

Almost surely, 2^15315102252 is an apocalyptic number.

15315102252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15315102252 is an abundant number, since it is smaller than the sum of its proper divisors (23398072976).

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

15315102252 is a wasteful number, since it uses less digits than its factorization.

15315102252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425419517 (or 425419512 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 15315102252 in words is "fifteen billion, three hundred fifteen million, one hundred two thousand, two hundred fifty-two".