255355433871953 has 2 divisors, whose sum is σ = 255355433871954. Its totient is φ = 255355433871952.

The previous prime is 255355433871943. The next prime is 255355433872031. The reversal of 255355433871953 is 359178334553552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224762222853184 + 30593211018769 = 14992072^2 + 5531113^2 .

It is a cyclic number.

It is not a de Polignac number, because 255355433871953 - 2⁸ = 255355433871697 is a prime.

It is not a weakly prime, because it can be changed into another prime (255355433871943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127677716935976 + 127677716935977.

It is an arithmetic number, because the mean of its divisors is an integer number (127677716935977).

Almost surely, 2^{255355433871953} is an apocalyptic number.

It is an amenable number.

255355433871953 is a deficient number, since it is larger than the sum of its proper divisors (1).

255355433871953 is an equidigital number, since it uses as much as digits as its factorization.

255355433871953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600000, while the sum is 68.

The spelling of 255355433871953 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-three million, eight hundred seventy-one thousand, nine hundred fifty-three".