125837904885 has 96 divisors (see below), whose sum is σ = 254015274240. Its totient is φ = 52070599680.

The previous prime is 125837904869. The next prime is 125837904887. The reversal of 125837904885 is 588409738521.

It is not a de Polignac number, because 125837904885 - 2⁴ = 125837904869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125837904887) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 2939011 + ... + 2981519.

It is an arithmetic number, because the mean of its divisors is an integer number (2645992440).

Almost surely, 2^125837904885 is an apocalyptic number.

125837904885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125837904885 is an abundant number, since it is smaller than the sum of its proper divisors (128177369355).

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

125837904885 is a wasteful number, since it uses less digits than its factorization.

125837904885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42779 (or 42768 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 125837904885 in words is "one hundred twenty-five billion, eight hundred thirty-seven million, nine hundred four thousand, eight hundred eighty-five".