125016411677 has 2 divisors, whose sum is σ = 125016411678. Its totient is φ = 125016411676.

The previous prime is 125016411661. The next prime is 125016411697. The reversal of 125016411677 is 776114610521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69815379076 + 55201032601 = 264226^2 + 234949^2 .

It is a cyclic number.

It is not a de Polignac number, because 125016411677 - 2⁴ = 125016411661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125016411647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62508205838 + 62508205839.

It is an arithmetic number, because the mean of its divisors is an integer number (62508205839).

Almost surely, 2^125016411677 is an apocalyptic number.

It is an amenable number.

125016411677 is a deficient number, since it is larger than the sum of its proper divisors (1).

125016411677 is an equidigital number, since it uses as much as digits as its factorization.

125016411677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 125016411677 in words is "one hundred twenty-five billion, sixteen million, four hundred eleven thousand, six hundred seventy-seven".