125166573299 has 2 divisors, whose sum is σ = 125166573300. Its totient is φ = 125166573298.

The previous prime is 125166573271. The next prime is 125166573359. The reversal of 125166573299 is 992375661521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125166573299 - 2²⁸ = 124898137843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125166573599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62583286649 + 62583286650.

It is an arithmetic number, because the mean of its divisors is an integer number (62583286650).

Almost surely, 2^125166573299 is an apocalyptic number.

125166573299 is a deficient number, since it is larger than the sum of its proper divisors (1).

125166573299 is an equidigital number, since it uses as much as digits as its factorization.

125166573299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 56.

The spelling of 125166573299 in words is "one hundred twenty-five billion, one hundred sixty-six million, five hundred seventy-three thousand, two hundred ninety-nine".