13637980125 has 480 divisors, whose sum is σ = 34355228544. Its totient is φ = 5334336000.

The previous prime is 13637980093. The next prime is 13637980129. The reversal of 13637980125 is 52108973631.

13637980125 is a `hidden beast` number, since 1 + 3 + 637 + 9 + 8 + 0 + 1 + 2 + 5 = 666.

It is not a de Polignac number, because 13637980125 - 2⁵ = 13637980093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13637980129) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 802234117 + ... + 802234133.

Almost surely, 2^13637980125 is an apocalyptic number.

13637980125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13637980125 is an abundant number, since it is smaller than the sum of its proper divisors (20717248419).

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

13637980125 is an frugal number, since it uses more digits than its factorization.

13637980125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 13637980125 in words is "thirteen billion, six hundred thirty-seven million, nine hundred eighty thousand, one hundred twenty-five".