125144645004 has 48 divisors (see below), whose sum is σ = 324877890400. Its totient is φ = 41659748928.

The previous prime is 125144644957. The next prime is 125144645047. The reversal of 125144645004 is 400546441521.

125144645004 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 4 + 4 + 645 + 0 + 0 + 4 = 666.

It is a super-2 number, since 2×125144645004² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125144645004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683599 + ... + 847110.

Almost surely, 2^125144645004 is an apocalyptic number.

It is an amenable number.

125144645004 is an abundant number, since it is smaller than the sum of its proper divisors (199733245396).

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

125144645004 is a wasteful number, since it uses less digits than its factorization.

125144645004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531479 (or 1531471 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 125144645004 in words is "one hundred twenty-five billion, one hundred forty-four million, six hundred forty-five thousand, four".