125845887113 has 2 divisors, whose sum is σ = 125845887114. Its totient is φ = 125845887112.

The previous prime is 125845887103. The next prime is 125845887133. The reversal of 125845887113 is 311788548521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113536650304 + 12309236809 = 336952^2 + 110947^2 .

It is a cyclic number.

It is not a de Polignac number, because 125845887113 - 2⁶ = 125845887049 is a prime.

It is not a weakly prime, because it can be changed into another prime (125845887103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62922943556 + 62922943557.

It is an arithmetic number, because the mean of its divisors is an integer number (62922943557).

Almost surely, 2^125845887113 is an apocalyptic number.

It is an amenable number.

125845887113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125845887113 is an equidigital number, since it uses as much as digits as its factorization.

125845887113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2150400, while the sum is 53.

The spelling of 125845887113 in words is "one hundred twenty-five billion, eight hundred forty-five million, eight hundred eighty-seven thousand, one hundred thirteen".