125354343324079 has 2 divisors, whose sum is σ = 125354343324080. Its totient is φ = 125354343324078.

The previous prime is 125354343323903. The next prime is 125354343324097. The reversal of 125354343324079 is 970423343453521.

Together with next prime (125354343324097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125354343324079 - 2⁹ = 125354343323567 is a prime.

It is a super-2 number, since 2×125354343324079² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125354343324979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62677171662039 + 62677171662040.

It is an arithmetic number, because the mean of its divisors is an integer number (62677171662040).

Almost surely, 2^{125354343324079} is an apocalyptic number.

125354343324079 is a deficient number, since it is larger than the sum of its proper divisors (1).

125354343324079 is an equidigital number, since it uses as much as digits as its factorization.

125354343324079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 55.

The spelling of 125354343324079 in words is "one hundred twenty-five trillion, three hundred fifty-four billion, three hundred forty-three million, three hundred twenty-four thousand, seventy-nine".