125166573359 has 2 divisors, whose sum is σ = 125166573360. Its totient is φ = 125166573358.

The previous prime is 125166573299. The next prime is 125166573407. The reversal of 125166573359 is 953375661521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125166573359 - 2²⁴ = 125149796143 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125166573359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125166593359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62583286679 + 62583286680.

It is an arithmetic number, because the mean of its divisors is an integer number (62583286680).

Almost surely, 2^125166573359 is an apocalyptic number.

125166573359 is a deficient number, since it is larger than the sum of its proper divisors (1).

125166573359 is an equidigital number, since it uses as much as digits as its factorization.

125166573359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103000, while the sum is 53.

The spelling of 125166573359 in words is "one hundred twenty-five billion, one hundred sixty-six million, five hundred seventy-three thousand, three hundred fifty-nine".