255665761283 has 2 divisors, whose sum is σ = 255665761284. Its totient is φ = 255665761282.

The previous prime is 255665761279. The next prime is 255665761301. The reversal of 255665761283 is 382167566552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255665761283 - 2² = 255665761279 is a prime.

It is not a weakly prime, because it can be changed into another prime (255665767283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127832880641 + 127832880642.

It is an arithmetic number, because the mean of its divisors is an integer number (127832880642).

Almost surely, 2^255665761283 is an apocalyptic number.

255665761283 is a deficient number, since it is larger than the sum of its proper divisors (1).

255665761283 is an equidigital number, since it uses as much as digits as its factorization.

255665761283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 56.

The spelling of 255665761283 in words is "two hundred fifty-five billion, six hundred sixty-five million, seven hundred sixty-one thousand, two hundred eighty-three".