2555508442717 has 2 divisors, whose sum is σ = 2555508442718. Its totient is φ = 2555508442716.

The previous prime is 2555508442699. The next prime is 2555508442757. The reversal of 2555508442717 is 7172448055552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2554454206756 + 1054235961 = 1598266^2 + 32469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555508442717 - 2²⁷ = 2555374224989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555508442757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277754221358 + 1277754221359.

It is an arithmetic number, because the mean of its divisors is an integer number (1277754221359).

Almost surely, 2^{2555508442717} is an apocalyptic number.

It is an amenable number.

2555508442717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555508442717 is an equidigital number, since it uses as much as digits as its factorization.

2555508442717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680000, while the sum is 55.

The spelling of 2555508442717 in words is "two trillion, five hundred fifty-five billion, five hundred eight million, four hundred forty-two thousand, seven hundred seventeen".