125132637545 has 24 divisors (see below), whose sum is σ = 164657234688. Its totient is φ = 91178208000.

The previous prime is 125132637517. The next prime is 125132637563. The reversal of 125132637545 is 545736231521.

It is not a de Polignac number, because 125132637545 - 2²⁴ = 125115860329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125132637496 and 125132637505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1351931 + ... + 1441520.

It is an arithmetic number, because the mean of its divisors is an integer number (6860718112).

Almost surely, 2^125132637545 is an apocalyptic number.

It is an amenable number.

125132637545 is a deficient number, since it is larger than the sum of its proper divisors (39524597143).

125132637545 is a wasteful number, since it uses less digits than its factorization.

125132637545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793521 (or 2793504 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The spelling of 125132637545 in words is "one hundred twenty-five billion, one hundred thirty-two million, six hundred thirty-seven thousand, five hundred forty-five".