125613512585 has 16 divisors (see below), whose sum is σ = 164600638272. Its totient is φ = 91265764800.

The previous prime is 125613512581. The next prime is 125613512599. The reversal of 125613512585 is 585215316521.

It is not a de Polignac number, because 125613512585 - 2² = 125613512581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125613512581) 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, 1062299 + ... + 1174608.

It is an arithmetic number, because the mean of its divisors is an integer number (10287539892).

Almost surely, 2^125613512585 is an apocalyptic number.

It is an amenable number.

125613512585 is a deficient number, since it is larger than the sum of its proper divisors (38987125687).

125613512585 is a wasteful number, since it uses less digits than its factorization.

125613512585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237944.

The product of its digits is 360000, while the sum is 44.

The spelling of 125613512585 in words is "one hundred twenty-five billion, six hundred thirteen million, five hundred twelve thousand, five hundred eighty-five".