125616200251613 has 2 divisors, whose sum is σ = 125616200251614. Its totient is φ = 125616200251612.

The previous prime is 125616200251601. The next prime is 125616200251643. The reversal of 125616200251613 is 316152002616521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116795615068804 + 8820585182809 = 10807202^2 + 2969947^2 .

It is a cyclic number.

It is not a de Polignac number, because 125616200251613 - 2¹⁶ = 125616200186077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125616200251643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62808100125806 + 62808100125807.

It is an arithmetic number, because the mean of its divisors is an integer number (62808100125807).

Almost surely, 2^{125616200251613} is an apocalyptic number.

It is an amenable number.

125616200251613 is a deficient number, since it is larger than the sum of its proper divisors (1).

125616200251613 is an equidigital number, since it uses as much as digits as its factorization.

125616200251613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 125616200251613 in words is "one hundred twenty-five trillion, six hundred sixteen billion, two hundred million, two hundred fifty-one thousand, six hundred thirteen".