125131381395 has 32 divisors (see below), whose sum is σ = 201592157184. Its totient is φ = 66276336000.

The previous prime is 125131381387. The next prime is 125131381447. The reversal of 125131381395 is 593183131521.

It is a happy number.

It is not a de Polignac number, because 125131381395 - 2³ = 125131381387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12998554 + ... + 13008176.

It is an arithmetic number, because the mean of its divisors is an integer number (6299754912).

Almost surely, 2^125131381395 is an apocalyptic number.

125131381395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125131381395 is a deficient number, since it is larger than the sum of its proper divisors (76460775789).

125131381395 is a wasteful number, since it uses less digits than its factorization.

125131381395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15523.

The product of its digits is 97200, while the sum is 42.

The spelling of 125131381395 in words is "one hundred twenty-five billion, one hundred thirty-one million, three hundred eighty-one thousand, three hundred ninety-five".