125133083631 has 16 divisors (see below), whose sum is σ = 185653797120. Its totient is φ = 83299902840.

The previous prime is 125133083627. The next prime is 125133083641. The reversal of 125133083631 is 136380331521.

125133083631 is a `hidden beast` number, since 1 + 2 + 5 + 13 + 3 + 0 + 8 + 3 + 631 = 666.

It is not a de Polignac number, because 125133083631 - 2² = 125133083627 is a prime.

It is a super-2 number, since 2×125133083631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125133083641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3374355 + ... + 3411236.

It is an arithmetic number, because the mean of its divisors is an integer number (11603362320).

Almost surely, 2^125133083631 is an apocalyptic number.

125133083631 is a deficient number, since it is larger than the sum of its proper divisors (60520713489).

125133083631 is an equidigital number, since it uses as much as digits as its factorization.

125133083631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786283 (or 6786277 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 125133083631 in words is "one hundred twenty-five billion, one hundred thirty-three million, eighty-three thousand, six hundred thirty-one".