2555508442757 has 2 divisors, whose sum is σ = 2555508442758. Its totient is φ = 2555508442756.

The previous prime is 2555508442717. The next prime is 2555508442853. The reversal of 2555508442757 is 7572448055552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970629171681 + 584879271076 = 1403791^2 + 764774^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555508442757 - 2⁶ = 2555508442693 is a prime.

It is a super-2 number, since 2×2555508442757² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555508442696 and 2555508442705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555508442717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277754221378 + 1277754221379.

It is an arithmetic number, because the mean of its divisors is an integer number (1277754221379).

Almost surely, 2^{2555508442757} is an apocalyptic number.

It is an amenable number.

2555508442757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555508442757 is an equidigital number, since it uses as much as digits as its factorization.

2555508442757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400000, while the sum is 59.

The spelling of 2555508442757 in words is "two trillion, five hundred fifty-five billion, five hundred eight million, four hundred forty-two thousand, seven hundred fifty-seven".