125413995266177 has 2 divisors, whose sum is σ = 125413995266178. Its totient is φ = 125413995266176.

The previous prime is 125413995266167. The next prime is 125413995266257. The reversal of 125413995266177 is 771662599314521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121549059455041 + 3864935811136 = 11024929^2 + 1965944^2 .

It is an emirp because it is prime and its reverse (771662599314521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125413995266177 - 2⁶ = 125413995266113 is a prime.

It is not a weakly prime, because it can be changed into another prime (125413995266137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62706997633088 + 62706997633089.

It is an arithmetic number, because the mean of its divisors is an integer number (62706997633089).

Almost surely, 2^{125413995266177} is an apocalyptic number.

It is an amenable number.

125413995266177 is a deficient number, since it is larger than the sum of its proper divisors (1).

125413995266177 is an equidigital number, since it uses as much as digits as its factorization.

125413995266177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 171460800, while the sum is 68.

The spelling of 125413995266177 in words is "one hundred twenty-five trillion, four hundred thirteen billion, nine hundred ninety-five million, two hundred sixty-six thousand, one hundred seventy-seven".