125558819473 has 2 divisors, whose sum is σ = 125558819474. Its totient is φ = 125558819472.

The previous prime is 125558819431. The next prime is 125558819497. The reversal of 125558819473 is 374918855521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111296966544 + 14261852929 = 333612^2 + 119423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125558819473 is a prime.

It is not a weakly prime, because it can be changed into another prime (125558819413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62779409736 + 62779409737.

It is an arithmetic number, because the mean of its divisors is an integer number (62779409737).

Almost surely, 2^125558819473 is an apocalyptic number.

It is an amenable number.

125558819473 is a deficient number, since it is larger than the sum of its proper divisors (1).

125558819473 is an equidigital number, since it uses as much as digits as its factorization.

125558819473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 58.

The spelling of 125558819473 in words is "one hundred twenty-five billion, five hundred fifty-eight million, eight hundred nineteen thousand, four hundred seventy-three".