125163365039 has 2 divisors, whose sum is σ = 125163365040. Its totient is φ = 125163365038.

The previous prime is 125163365029. The next prime is 125163365059. The reversal of 125163365039 is 930563361521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (930563361521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125163365039 - 2⁸ = 125163364783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125163365029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62581682519 + 62581682520.

It is an arithmetic number, because the mean of its divisors is an integer number (62581682520).

Almost surely, 2^125163365039 is an apocalyptic number.

125163365039 is a deficient number, since it is larger than the sum of its proper divisors (1).

125163365039 is an equidigital number, since it uses as much as digits as its factorization.

125163365039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 44.

The spelling of 125163365039 in words is "one hundred twenty-five billion, one hundred sixty-three million, three hundred sixty-five thousand, thirty-nine".