256086318311 has 2 divisors, whose sum is σ = 256086318312. Its totient is φ = 256086318310.

The previous prime is 256086318277. The next prime is 256086318353. The reversal of 256086318311 is 113813680652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256086318311 - 2⁶ = 256086318247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256086318361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128043159155 + 128043159156.

It is an arithmetic number, because the mean of its divisors is an integer number (128043159156).

Almost surely, 2^256086318311 is an apocalyptic number.

256086318311 is a deficient number, since it is larger than the sum of its proper divisors (1).

256086318311 is an equidigital number, since it uses as much as digits as its factorization.

256086318311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

Adding to 256086318311 its reverse (113813680652), we get a palindrome (369899998963).

The spelling of 256086318311 in words is "two hundred fifty-six billion, eighty-six million, three hundred eighteen thousand, three hundred eleven".