125918956067759 has 2 divisors, whose sum is σ = 125918956067760. Its totient is φ = 125918956067758.

The previous prime is 125918956067743. The next prime is 125918956067887. The reversal of 125918956067759 is 957760659819521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125918956067759 - 2⁴ = 125918956067743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125918956367759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62959478033879 + 62959478033880.

It is an arithmetic number, because the mean of its divisors is an integer number (62959478033880).

Almost surely, 2^{125918956067759} is an apocalyptic number.

125918956067759 is a deficient number, since it is larger than the sum of its proper divisors (1).

125918956067759 is an equidigital number, since it uses as much as digits as its factorization.

125918956067759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912000, while the sum is 80.

The spelling of 125918956067759 in words is "one hundred twenty-five trillion, nine hundred eighteen billion, nine hundred fifty-six million, sixty-seven thousand, seven hundred fifty-nine".