125395648839943 has 2 divisors, whose sum is σ = 125395648839944. Its totient is φ = 125395648839942.

The previous prime is 125395648839911. The next prime is 125395648840037. The reversal of 125395648839943 is 349938846593521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125395648839943 - 2⁵ = 125395648839911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125395648833943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62697824419971 + 62697824419972.

It is an arithmetic number, because the mean of its divisors is an integer number (62697824419972).

Almost surely, 2^{125395648839943} is an apocalyptic number.

125395648839943 is a deficient number, since it is larger than the sum of its proper divisors (1).

125395648839943 is an equidigital number, since it uses as much as digits as its factorization.

125395648839943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6046617600, while the sum is 79.

The spelling of 125395648839943 in words is "one hundred twenty-five trillion, three hundred ninety-five billion, six hundred forty-eight million, eight hundred thirty-nine thousand, nine hundred forty-three".