15025551252 has 24 divisors (see below), whose sum is σ = 37121950656. Its totient is φ = 4713898368.

The previous prime is 15025551227. The next prime is 15025551263. The reversal of 15025551252 is 25215552051.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36827128 + ... + 36827535.

It is an arithmetic number, because the mean of its divisors is an integer number (1546747944).

Almost surely, 2^15025551252 is an apocalyptic number.

15025551252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15025551252 is an abundant number, since it is smaller than the sum of its proper divisors (22096399404).

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

15025551252 is a wasteful number, since it uses less digits than its factorization.

15025551252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73654687 (or 73654685 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 15025551252 in words is "fifteen billion, twenty-five million, five hundred fifty-one thousand, two hundred fifty-two".