255500052991 has 2 divisors, whose sum is σ = 255500052992. Its totient is φ = 255500052990.

The previous prime is 255500052989. The next prime is 255500053013. The reversal of 255500052991 is 199250005552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255500052991 - 2¹ = 255500052989 is a prime.

Together with 255500052989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255500056991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127750026495 + 127750026496.

It is an arithmetic number, because the mean of its divisors is an integer number (127750026496).

Almost surely, 2^255500052991 is an apocalyptic number.

255500052991 is a deficient number, since it is larger than the sum of its proper divisors (1).

255500052991 is an equidigital number, since it uses as much as digits as its factorization.

255500052991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 43.

The spelling of 255500052991 in words is "two hundred fifty-five billion, five hundred million, fifty-two thousand, nine hundred ninety-one".