125132637544 has 32 divisors (see below), whose sum is σ = 242737740000. Its totient is φ = 60402992832.

The previous prime is 125132637517. The next prime is 125132637563. The reversal of 125132637544 is 445736231521.

It is a self number, because there is not a number n which added to its sum of digits gives 125132637544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248107 + ... + 3286405.

It is an arithmetic number, because the mean of its divisors is an integer number (7585554375).

Almost surely, 2^125132637544 is an apocalyptic number.

It is an amenable number.

125132637544 is a deficient number, since it is larger than the sum of its proper divisors (117605102456).

125132637544 is a wasteful number, since it uses less digits than its factorization.

125132637544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52417 (or 52413 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The spelling of 125132637544 in words is "one hundred twenty-five billion, one hundred thirty-two million, six hundred thirty-seven thousand, five hundred forty-four".