125025805085 has 16 divisors (see below), whose sum is σ = 150882151680. Its totient is φ = 99454765440.

The previous prime is 125025805063. The next prime is 125025805139. The reversal of 125025805085 is 580508520521.

It is not a de Polignac number, because 125025805085 - 2¹⁶ = 125025739549 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 537704 + ... + 734286.

It is an arithmetic number, because the mean of its divisors is an integer number (9430134480).

Almost surely, 2^125025805085 is an apocalyptic number.

It is an amenable number.

125025805085 is a deficient number, since it is larger than the sum of its proper divisors (25856346595).

125025805085 is a wasteful number, since it uses less digits than its factorization.

125025805085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197308.

The product of its (nonzero) digits is 160000, while the sum is 41.

The spelling of 125025805085 in words is "one hundred twenty-five billion, twenty-five million, eight hundred five thousand, eighty-five".