125861030830081 has 4 divisors (see below), whose sum is σ = 125976818348032. Its totient is φ = 125745243312132.

The previous prime is 125861030830069. The next prime is 125861030830099. The reversal of 125861030830081 is 180038030168521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125861030830081 - 2⁷ = 125861030829953 is a prime.

It is a super-2 number, since 2×125861030830081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125861030830021) 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, 57893757345 + ... + 57893759518.

It is an arithmetic number, because the mean of its divisors is an integer number (31494204587008).

Almost surely, 2^{125861030830081} is an apocalyptic number.

It is an amenable number.

125861030830081 is a deficient number, since it is larger than the sum of its proper divisors (115787517951).

125861030830081 is a wasteful number, since it uses less digits than its factorization.

125861030830081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115787517950.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 125861030830081 in words is "one hundred twenty-five trillion, eight hundred sixty-one billion, thirty million, eight hundred thirty thousand, eighty-one".