2555211120317 has 2 divisors, whose sum is σ = 2555211120318. Its totient is φ = 2555211120316.

The previous prime is 2555211120311. The next prime is 2555211120359. The reversal of 2555211120317 is 7130211125552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354369923076 + 1200841197241 = 1163774^2 + 1095829^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555211120317 - 2⁸ = 2555211120061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555211120311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277605560158 + 1277605560159.

It is an arithmetic number, because the mean of its divisors is an integer number (1277605560159).

Almost surely, 2^{2555211120317} is an apocalyptic number.

It is an amenable number.

2555211120317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555211120317 is an equidigital number, since it uses as much as digits as its factorization.

2555211120317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 35.

Adding to 2555211120317 its reverse (7130211125552), we get a palindrome (9685422245869).

The spelling of 2555211120317 in words is "two trillion, five hundred fifty-five billion, two hundred eleven million, one hundred twenty thousand, three hundred seventeen".