255308718799 has 2 divisors, whose sum is σ = 255308718800. Its totient is φ = 255308718798.

The previous prime is 255308718773. The next prime is 255308718823. The reversal of 255308718799 is 997817803552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255308718799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255308718799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255318718799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127654359399 + 127654359400.

It is an arithmetic number, because the mean of its divisors is an integer number (127654359400).

Almost surely, 2^255308718799 is an apocalyptic number.

255308718799 is a deficient number, since it is larger than the sum of its proper divisors (1).

255308718799 is an equidigital number, since it uses as much as digits as its factorization.

255308718799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 255308718799 in words is "two hundred fifty-five billion, three hundred eight million, seven hundred eighteen thousand, seven hundred ninety-nine".