125465163231 has 16 divisors (see below), whose sum is σ = 180579548160. Its totient is φ = 77247915360.

The previous prime is 125465163221. The next prime is 125465163247. The reversal of 125465163231 is 132361564521.

It is a happy number.

It is not a de Polignac number, because 125465163231 - 2¹⁸ = 125464901087 is a prime.

It is a super-2 number, since 2×125465163231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125465163231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125465163211) 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, 31348615 + ... + 31352616.

It is an arithmetic number, because the mean of its divisors is an integer number (11286221760).

Almost surely, 2^125465163231 is an apocalyptic number.

125465163231 is a deficient number, since it is larger than the sum of its proper divisors (55114384929).

125465163231 is a wasteful number, since it uses less digits than its factorization.

125465163231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62701286.

The product of its digits is 129600, while the sum is 39.

The spelling of 125465163231 in words is "one hundred twenty-five billion, four hundred sixty-five million, one hundred sixty-three thousand, two hundred thirty-one".