125110738868 has 6 divisors (see below), whose sum is σ = 218943793026. Its totient is φ = 62555369432.

The previous prime is 125110738847. The next prime is 125110738933. The reversal of 125110738868 is 868837011521.

It can be written as a sum of positive squares in only one way, i.e., 120472856464 + 4637882404 = 347092^2 + 68102^2 .

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, 15638842355 + ... + 15638842362.

It is an arithmetic number, because the mean of its divisors is an integer number (36490632171).

Almost surely, 2^125110738868 is an apocalyptic number.

It is an amenable number.

125110738868 is a deficient number, since it is larger than the sum of its proper divisors (93833054158).

125110738868 is a wasteful number, since it uses less digits than its factorization.

125110738868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31277684721 (or 31277684719 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 125110738868 in words is "one hundred twenty-five billion, one hundred ten million, seven hundred thirty-eight thousand, eight hundred sixty-eight".