125057573636 has 12 divisors (see below), whose sum is σ = 218897619612. Its totient is φ = 62515396608.

The previous prime is 125057573623. The next prime is 125057573723. The reversal of 125057573636 is 636375750521.

It can be written as a sum of positive squares in 2 ways, for example, as 112858371136 + 12199202500 = 335944^2 + 110450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3326525 + ... + 3363908.

It is an arithmetic number, because the mean of its divisors is an integer number (18241468301).

Almost surely, 2^125057573636 is an apocalyptic number.

It is an amenable number.

125057573636 is a deficient number, since it is larger than the sum of its proper divisors (93840045976).

125057573636 is a wasteful number, since it uses less digits than its factorization.

125057573636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695110 (or 6695108 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 50.

The spelling of 125057573636 in words is "one hundred twenty-five billion, fifty-seven million, five hundred seventy-three thousand, six hundred thirty-six".