255057355361 has 2 divisors, whose sum is σ = 255057355362. Its totient is φ = 255057355360.

The previous prime is 255057355339. The next prime is 255057355367. The reversal of 255057355361 is 163553750552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155191875136 + 99865480225 = 393944^2 + 316015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255057355361 is a prime.

It is not a weakly prime, because it can be changed into another prime (255057355367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127528677680 + 127528677681.

It is an arithmetic number, because the mean of its divisors is an integer number (127528677681).

Almost surely, 2^255057355361 is an apocalyptic number.

It is an amenable number.

255057355361 is a deficient number, since it is larger than the sum of its proper divisors (1).

255057355361 is an equidigital number, since it uses as much as digits as its factorization.

255057355361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2362500, while the sum is 47.

The spelling of 255057355361 in words is "two hundred fifty-five billion, fifty-seven million, three hundred fifty-five thousand, three hundred sixty-one".