125245654865 has 48 divisors (see below), whose sum is σ = 167643820800. Its totient is φ = 89548018560.

The previous prime is 125245654841. The next prime is 125245654909. The reversal of 125245654865 is 568456542521.

It is not a de Polignac number, because 125245654865 - 2⁸ = 125245654609 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3185396 + ... + 3224474.

It is an arithmetic number, because the mean of its divisors is an integer number (3492579600).

Almost surely, 2^125245654865 is an apocalyptic number.

It is an amenable number.

125245654865 is a deficient number, since it is larger than the sum of its proper divisors (42398165935).

125245654865 is a wasteful number, since it uses less digits than its factorization.

125245654865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39198 (or 39167 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 53.

The spelling of 125245654865 in words is "one hundred twenty-five billion, two hundred forty-five million, six hundred fifty-four thousand, eight hundred sixty-five".