125137638892 has 48 divisors (see below), whose sum is σ = 251168549632. Its totient is φ = 53439186240.

The previous prime is 125137638889. The next prime is 125137638917. The reversal of 125137638892 is 298836731521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31258963 + ... + 31262965.

Almost surely, 2^125137638892 is an apocalyptic number.

It is an amenable number.

125137638892 is an abundant number, since it is smaller than the sum of its proper divisors (126030910740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125137638892 is a wasteful number, since it uses less digits than its factorization.

125137638892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718 (or 7716 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 125137638892 in words is "one hundred twenty-five billion, one hundred thirty-seven million, six hundred thirty-eight thousand, eight hundred ninety-two".