125525229355429 has 2 divisors, whose sum is σ = 125525229355430. Its totient is φ = 125525229355428.

The previous prime is 125525229355403. The next prime is 125525229355439. The reversal of 125525229355429 is 924553922525521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125487089218404 + 38140137025 = 11202102^2 + 195295^2 .

It is a cyclic number.

It is not a de Polignac number, because 125525229355429 - 2¹³ = 125525229347237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125525229355439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62762614677714 + 62762614677715.

It is an arithmetic number, because the mean of its divisors is an integer number (62762614677715).

Almost surely, 2^{125525229355429} is an apocalyptic number.

It is an amenable number.

125525229355429 is a deficient number, since it is larger than the sum of its proper divisors (1).

125525229355429 is an equidigital number, since it uses as much as digits as its factorization.

125525229355429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200000, while the sum is 61.

The spelling of 125525229355429 in words is "one hundred twenty-five trillion, five hundred twenty-five billion, two hundred twenty-nine million, three hundred fifty-five thousand, four hundred twenty-nine".