15253791900 has 72 divisors (see below), whose sum is σ = 44161756800. Its totient is φ = 4065147840.

The previous prime is 15253791899. The next prime is 15253791911. The reversal of 15253791900 is 919735251.

It is a super-2 number, since 2×15253791900² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 494737 + ... + 524663.

Almost surely, 2^15253791900 is an apocalyptic number.

15253791900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15253791900 is an abundant number, since it is smaller than the sum of its proper divisors (28907964900).

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

15253791900 is a wasteful number, since it uses less digits than its factorization.

15253791900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31643 (or 31636 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 42.

The spelling of 15253791900 in words is "fifteen billion, two hundred fifty-three million, seven hundred ninety-one thousand, nine hundred".