255288884891 has 2 divisors, whose sum is σ = 255288884892. Its totient is φ = 255288884890.

The previous prime is 255288884869. The next prime is 255288884899. The reversal of 255288884891 is 198488882552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255288884891 is a prime.

It is not a weakly prime, because it can be changed into another prime (255288884899) 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, 127644442445 + 127644442446.

It is an arithmetic number, because the mean of its divisors is an integer number (127644442446).

Almost surely, 2^255288884891 is an apocalyptic number.

255288884891 is a deficient number, since it is larger than the sum of its proper divisors (1).

255288884891 is an equidigital number, since it uses as much as digits as its factorization.

255288884891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117964800, while the sum is 68.

The spelling of 255288884891 in words is "two hundred fifty-five billion, two hundred eighty-eight million, eight hundred eighty-four thousand, eight hundred ninety-one".