125295856685 has 8 divisors (see below), whose sum is σ = 154418677656. Its totient is φ = 97527585600.

The previous prime is 125295856661. The next prime is 125295856729. The reversal of 125295856685 is 586658592521.

It can be written as a sum of positive squares in 4 ways, for example, as 10636415689 + 114659440996 = 103133^2 + 338614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125295856685 - 2²⁰ = 125294808109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338637266 + ... + 338637635.

It is an arithmetic number, because the mean of its divisors is an integer number (19302334707).

Almost surely, 2^125295856685 is an apocalyptic number.

It is an amenable number.

125295856685 is a deficient number, since it is larger than the sum of its proper divisors (29122820971).

125295856685 is an equidigital number, since it uses as much as digits as its factorization.

125295856685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677274943.

The product of its digits is 51840000, while the sum is 62.

The spelling of 125295856685 in words is "one hundred twenty-five billion, two hundred ninety-five million, eight hundred fifty-six thousand, six hundred eighty-five".