125687013360031 has 4 divisors (see below), whose sum is σ = 125687144318872. Its totient is φ = 125686882401192.

The previous prime is 125687013359953. The next prime is 125687013360149. The reversal of 125687013360031 is 130063310786521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125687013360031 - 2⁹ = 125687013359519 is a prime.

It is a super-2 number, since 2×125687013360031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125687013363031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64029096 + ... + 65962861.

It is an arithmetic number, because the mean of its divisors is an integer number (31421786079718).

Almost surely, 2^{125687013360031} is an apocalyptic number.

125687013360031 is a deficient number, since it is larger than the sum of its proper divisors (130958841).

125687013360031 is an equidigital number, since it uses as much as digits as its factorization.

125687013360031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130958840.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 125687013360031 in words is "one hundred twenty-five trillion, six hundred eighty-seven billion, thirteen million, three hundred sixty thousand, thirty-one".