125193956877 has 48 divisors (see below), whose sum is σ = 198402809280. Its totient is φ = 75442752000.

The previous prime is 125193956821. The next prime is 125193956893. The reversal of 125193956877 is 778659391521.

125193956877 is a `hidden beast` number, since 1 + 2 + 519 + 39 + 5 + 6 + 87 + 7 = 666.

It is not a de Polignac number, because 125193956877 - 2⁶ = 125193956813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125193957877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12639627 + ... + 12649527.

It is an arithmetic number, because the mean of its divisors is an integer number (4133391860).

Almost surely, 2^125193956877 is an apocalyptic number.

It is an amenable number.

125193956877 is a deficient number, since it is larger than the sum of its proper divisors (73208852403).

125193956877 is a wasteful number, since it uses less digits than its factorization.

125193956877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10634 (or 10631 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 63.

The spelling of 125193956877 in words is "one hundred twenty-five billion, one hundred ninety-three million, nine hundred fifty-six thousand, eight hundred seventy-seven".