255211154417 has 2 divisors, whose sum is σ = 255211154418. Its totient is φ = 255211154416.

The previous prime is 255211154411. The next prime is 255211154431. The reversal of 255211154417 is 714451112552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255061361296 + 149793121 = 505036^2 + 12239^2 .

It is a cyclic number.

It is not a de Polignac number, because 255211154417 - 2⁶ = 255211154353 is a prime.

It is not a weakly prime, because it can be changed into another prime (255211154411) 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, 127605577208 + 127605577209.

It is an arithmetic number, because the mean of its divisors is an integer number (127605577209).

Almost surely, 2^255211154417 is an apocalyptic number.

It is an amenable number.

255211154417 is a deficient number, since it is larger than the sum of its proper divisors (1).

255211154417 is an equidigital number, since it uses as much as digits as its factorization.

255211154417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56000, while the sum is 38.

Adding to 255211154417 its reverse (714451112552), we get a palindrome (969662266969).

The spelling of 255211154417 in words is "two hundred fifty-five billion, two hundred eleven million, one hundred fifty-four thousand, four hundred seventeen".