15020552532 has 24 divisors (see below), whose sum is σ = 35072352000. Its totient is φ = 5003365696.

The previous prime is 15020552497. The next prime is 15020552557. The reversal of 15020552532 is 23525502051.

It is a super-2 number, since 2×15020552532² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15020552532.

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, 417657 + ... + 452192.

It is an arithmetic number, because the mean of its divisors is an integer number (1461348000).

Almost surely, 2^15020552532 is an apocalyptic number.

15020552532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15020552532 is an abundant number, since it is smaller than the sum of its proper divisors (20051799468).

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

15020552532 is a wasteful number, since it uses less digits than its factorization.

15020552532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871295 (or 871293 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 15020552532 in words is "fifteen billion, twenty million, five hundred fifty-two thousand, five hundred thirty-two".