15010090900 has 36 divisors (see below), whose sum is σ = 37225027168. Its totient is φ = 5146316640.

The previous prime is 15010090871. The next prime is 15010090933. The reversal of 15010090900 is 909001051.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10720794 + ... + 10722193.

Almost surely, 2^15010090900 is an apocalyptic number.

15010090900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15010090900 is an abundant number, since it is smaller than the sum of its proper divisors (22214936268).

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

15010090900 is a wasteful number, since it uses less digits than its factorization.

15010090900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443008 (or 21443001 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 25.

Adding to 15010090900 its reverse (909001051), we get a palindrome (15919091951).

The spelling of 15010090900 in words is "fifteen billion, ten million, ninety thousand, nine hundred".