125898161759 has 2 divisors, whose sum is σ = 125898161760. Its totient is φ = 125898161758.

The previous prime is 125898161731. The next prime is 125898161789. The reversal of 125898161759 is 957161898521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125898161759 - 2³² = 121603194463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125898161729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62949080879 + 62949080880.

It is an arithmetic number, because the mean of its divisors is an integer number (62949080880).

Almost surely, 2^125898161759 is an apocalyptic number.

125898161759 is a deficient number, since it is larger than the sum of its proper divisors (1).

125898161759 is an equidigital number, since it uses as much as digits as its factorization.

125898161759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 62.

The spelling of 125898161759 in words is "one hundred twenty-five billion, eight hundred ninety-eight million, one hundred sixty-one thousand, seven hundred fifty-nine".