125005664572 has 24 divisors (see below), whose sum is σ = 222995581200. Its totient is φ = 61302208896.

The previous prime is 125005664513. The next prime is 125005664591. The reversal of 125005664572 is 275466500521.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1143547 + ... + 1248082.

It is an arithmetic number, because the mean of its divisors is an integer number (9291482550).

Almost surely, 2^125005664572 is an apocalyptic number.

It is an amenable number.

125005664572 is a deficient number, since it is larger than the sum of its proper divisors (97989916628).

125005664572 is a wasteful number, since it uses less digits than its factorization.

125005664572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391885 (or 2391883 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 125005664572 in words is "one hundred twenty-five billion, five million, six hundred sixty-four thousand, five hundred seventy-two".