255767701703057 has 2 divisors, whose sum is σ = 255767701703058. Its totient is φ = 255767701703056.

The previous prime is 255767701703029. The next prime is 255767701703069. The reversal of 255767701703057 is 750307107767552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250565123904001 + 5202577799056 = 15829249^2 + 2280916^2 .

It is a cyclic number.

It is not a de Polignac number, because 255767701703057 - 2⁶ = 255767701702993 is a prime.

It is not a weakly prime, because it can be changed into another prime (255767701700057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127883850851528 + 127883850851529.

It is an arithmetic number, because the mean of its divisors is an integer number (127883850851529).

Almost surely, 2^{255767701703057} is an apocalyptic number.

It is an amenable number.

255767701703057 is a deficient number, since it is larger than the sum of its proper divisors (1).

255767701703057 is an equidigital number, since it uses as much as digits as its factorization.

255767701703057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75631500, while the sum is 62.

The spelling of 255767701703057 in words is "two hundred fifty-five trillion, seven hundred sixty-seven billion, seven hundred one million, seven hundred three thousand, fifty-seven".