255545120430311 has 2 divisors, whose sum is σ = 255545120430312. Its totient is φ = 255545120430310.

The previous prime is 255545120430277. The next prime is 255545120430329. The reversal of 255545120430311 is 113034021545552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255545120430311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255545120430011) 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, 127772560215155 + 127772560215156.

It is an arithmetic number, because the mean of its divisors is an integer number (127772560215156).

Almost surely, 2^{255545120430311} is an apocalyptic number.

255545120430311 is a deficient number, since it is larger than the sum of its proper divisors (1).

255545120430311 is an equidigital number, since it uses as much as digits as its factorization.

255545120430311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 255545120430311 its reverse (113034021545552), we get a palindrome (368579141975863).

The spelling of 255545120430311 in words is "two hundred fifty-five trillion, five hundred forty-five billion, one hundred twenty million, four hundred thirty thousand, three hundred eleven".