125861030830079 has 4 divisors (see below), whose sum is σ = 125861066660880. Its totient is φ = 125860994999280.

The previous prime is 125861030830069. The next prime is 125861030830099. The reversal of 125861030830079 is 970038030168521.

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 125861030830079 - 2⁴ = 125861030830063 is a prime.

It is a super-2 number, since 2×125861030830079² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125861030830079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125861030830019) 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, 11994059 + ... + 19889180.

It is an arithmetic number, because the mean of its divisors is an integer number (31465266665220).

Almost surely, 2^{125861030830079} is an apocalyptic number.

125861030830079 is a deficient number, since it is larger than the sum of its proper divisors (35830801).

125861030830079 is an equidigital number, since it uses as much as digits as its factorization.

125861030830079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35830800.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 125861030830079 in words is "one hundred twenty-five trillion, eight hundred sixty-one billion, thirty million, eight hundred thirty thousand, seventy-nine".