255436768235053 has 2 divisors, whose sum is σ = 255436768235054. Its totient is φ = 255436768235052.

The previous prime is 255436768235039. The next prime is 255436768235063. The reversal of 255436768235053 is 350532867634552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176194244297124 + 79242523937929 = 13273818^2 + 8901827^2 .

It is a cyclic number.

It is not a de Polignac number, because 255436768235053 - 2⁵ = 255436768235021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255436768235003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127718384117526 + 127718384117527.

It is an arithmetic number, because the mean of its divisors is an integer number (127718384117527).

Almost surely, 2^{255436768235053} is an apocalyptic number.

It is an amenable number.

255436768235053 is a deficient number, since it is larger than the sum of its proper divisors (1).

255436768235053 is an equidigital number, since it uses as much as digits as its factorization.

255436768235053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320000, while the sum is 64.

The spelling of 255436768235053 in words is "two hundred fifty-five trillion, four hundred thirty-six billion, seven hundred sixty-eight million, two hundred thirty-five thousand, fifty-three".