255122140211317 has 2 divisors, whose sum is σ = 255122140211318. Its totient is φ = 255122140211316.

The previous prime is 255122140211297. The next prime is 255122140211327. The reversal of 255122140211317 is 713112041221552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177089050565361 + 78033089645956 = 13307481^2 + 8833634^2 .

It is a cyclic number.

It is not a de Polignac number, because 255122140211317 - 2¹¹ = 255122140209269 is a prime.

It is a super-2 number, since 2×255122140211317² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255122140211327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127561070105658 + 127561070105659.

It is an arithmetic number, because the mean of its divisors is an integer number (127561070105659).

Almost surely, 2^{255122140211317} is an apocalyptic number.

It is an amenable number.

255122140211317 is a deficient number, since it is larger than the sum of its proper divisors (1).

255122140211317 is an equidigital number, since it uses as much as digits as its factorization.

255122140211317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

Adding to 255122140211317 its reverse (713112041221552), we get a palindrome (968234181432869).

The spelling of 255122140211317 in words is "two hundred fifty-five trillion, one hundred twenty-two billion, one hundred forty million, two hundred eleven thousand, three hundred seventeen".