125679311317 has 16 divisors (see below), whose sum is σ = 145278283392. Its totient is φ = 106494811200.

The previous prime is 125679311279. The next prime is 125679311341. The reversal of 125679311317 is 713113976521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125679311317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125679311377) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 325558 + ... + 597784.

It is an arithmetic number, because the mean of its divisors is an integer number (9079892712).

Almost surely, 2^125679311317 is an apocalyptic number.

It is an amenable number.

125679311317 is a deficient number, since it is larger than the sum of its proper divisors (19598972075).

125679311317 is a wasteful number, since it uses less digits than its factorization.

125679311317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272988.

The product of its digits is 238140, while the sum is 46.

The spelling of 125679311317 in words is "one hundred twenty-five billion, six hundred seventy-nine million, three hundred eleven thousand, three hundred seventeen".