255425203024177 has 2 divisors, whose sum is σ = 255425203024178. Its totient is φ = 255425203024176.

The previous prime is 255425203024099. The next prime is 255425203024193. The reversal of 255425203024177 is 771420302524552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252189517986576 + 3235685037601 = 15880476^2 + 1798801^2 .

It is a cyclic number.

It is not a de Polignac number, because 255425203024177 - 2²⁷ = 255425068806449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255425203024177.

It is not a weakly prime, because it can be changed into another prime (255425207024177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127712601512088 + 127712601512089.

It is an arithmetic number, because the mean of its divisors is an integer number (127712601512089).

Almost surely, 2^{255425203024177} is an apocalyptic number.

It is an amenable number.

255425203024177 is a deficient number, since it is larger than the sum of its proper divisors (1).

255425203024177 is an equidigital number, since it uses as much as digits as its factorization.

255425203024177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 255425203024177 in words is "two hundred fifty-five trillion, four hundred twenty-five billion, two hundred three million, twenty-four thousand, one hundred seventy-seven".