125207411636 has 6 divisors (see below), whose sum is σ = 219112970370. Its totient is φ = 62603705816.

The previous prime is 125207411617. The next prime is 125207411677. The reversal of 125207411636 is 636114702521.

It can be written as a sum of positive squares in only one way, i.e., 89038979236 + 36168432400 = 298394^2 + 190180^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125207411636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650926451 + ... + 15650926458.

It is an arithmetic number, because the mean of its divisors is an integer number (36518828395).

Almost surely, 2^125207411636 is an apocalyptic number.

It is an amenable number.

125207411636 is a deficient number, since it is larger than the sum of its proper divisors (93905558734).

125207411636 is a wasteful number, since it uses less digits than its factorization.

125207411636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31301852913 (or 31301852911 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 125207411636 in words is "one hundred twenty-five billion, two hundred seven million, four hundred eleven thousand, six hundred thirty-six".