15122424252 has 48 divisors (see below), whose sum is σ = 38007863712. Its totient is φ = 4652083200.

The previous prime is 15122424221. The next prime is 15122424271. The reversal of 15122424252 is 25242422151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213252 + ... + 1225652.

It is an arithmetic number, because the mean of its divisors is an integer number (791830494).

Almost surely, 2^15122424252 is an apocalyptic number.

15122424252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15122424252 is an abundant number, since it is smaller than the sum of its proper divisors (22885439460).

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

15122424252 is a wasteful number, since it uses less digits than its factorization.

15122424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20238 (or 20236 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The spelling of 15122424252 in words is "fifteen billion, one hundred twenty-two million, four hundred twenty-four thousand, two hundred fifty-two".