13172257100 has 36 divisors (see below), whose sum is σ = 28591935624. Its totient is φ = 5267402880.

The previous prime is 13172257019. The next prime is 13172257199. The reversal of 13172257100 is 175227131.

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, 375512 + ... + 409088.

It is an arithmetic number, because the mean of its divisors is an integer number (794220434).

Almost surely, 2^13172257100 is an apocalyptic number.

13172257100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13172257100 is an abundant number, since it is smaller than the sum of its proper divisors (15419678524).

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

13172257100 is a wasteful number, since it uses less digits than its factorization.

13172257100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37514 (or 37507 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The spelling of 13172257100 in words is "thirteen billion, one hundred seventy-two million, two hundred fifty-seven thousand, one hundred".