125082256631 has 2 divisors, whose sum is σ = 125082256632. Its totient is φ = 125082256630.

The previous prime is 125082256613. The next prime is 125082256657. The reversal of 125082256631 is 136652280521.

Together with previous prime (125082256613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125082256631 is a prime.

It is a super-2 number, since 2×125082256631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125082256681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62541128315 + 62541128316.

It is an arithmetic number, because the mean of its divisors is an integer number (62541128316).

Almost surely, 2^125082256631 is an apocalyptic number.

125082256631 is a deficient number, since it is larger than the sum of its proper divisors (1).

125082256631 is an equidigital number, since it uses as much as digits as its factorization.

125082256631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 125082256631 in words is "one hundred twenty-five billion, eighty-two million, two hundred fifty-six thousand, six hundred thirty-one".