255613317299 has 2 divisors, whose sum is σ = 255613317300. Its totient is φ = 255613317298.

The previous prime is 255613317263. The next prime is 255613317301. The reversal of 255613317299 is 992713316552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255613317299 - 2¹⁶ = 255613251763 is a prime.

Together with 255613317301, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255613317299.

It is not a weakly prime, because it can be changed into another prime (255613317209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127806658649 + 127806658650.

It is an arithmetic number, because the mean of its divisors is an integer number (127806658650).

Almost surely, 2^255613317299 is an apocalyptic number.

255613317299 is a deficient number, since it is larger than the sum of its proper divisors (1).

255613317299 is an equidigital number, since it uses as much as digits as its factorization.

255613317299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 53.

The spelling of 255613317299 in words is "two hundred fifty-five billion, six hundred thirteen million, three hundred seventeen thousand, two hundred ninety-nine".