15052052100 has 72 divisors (see below), whose sum is σ = 43563059008. Its totient is φ = 4012732800.

The previous prime is 15052052047. The next prime is 15052052117. The reversal of 15052052100 is 125025051.

It is a super-2 number, since 2×15052052100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1806945 + ... + 1815255.

Almost surely, 2^15052052100 is an apocalyptic number.

15052052100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15052052100 is an abundant number, since it is smaller than the sum of its proper divisors (28511006908).

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

15052052100 is a wasteful number, since it uses less digits than its factorization.

15052052100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14365 (or 14358 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 15052052100 its reverse (125025051), we get a palindrome (15177077151).

The spelling of 15052052100 in words is "fifteen billion, fifty-two million, fifty-two thousand, one hundred".