125803677113 has 2 divisors, whose sum is σ = 125803677114. Its totient is φ = 125803677112.

The previous prime is 125803677091. The next prime is 125803677127. The reversal of 125803677113 is 311776308521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108051578944 + 17752098169 = 328712^2 + 133237^2 .

It is a cyclic number.

It is not a de Polignac number, because 125803677113 - 2³⁶ = 57084200377 is a prime.

It is not a weakly prime, because it can be changed into another prime (125803677193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62901838556 + 62901838557.

It is an arithmetic number, because the mean of its divisors is an integer number (62901838557).

Almost surely, 2^125803677113 is an apocalyptic number.

It is an amenable number.

125803677113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125803677113 is an equidigital number, since it uses as much as digits as its factorization.

125803677113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 125803677113 in words is "one hundred twenty-five billion, eight hundred three million, six hundred seventy-seven thousand, one hundred thirteen".