2555344513081 has 2 divisors, whose sum is σ = 2555344513082. Its totient is φ = 2555344513080.

The previous prime is 2555344513037. The next prime is 2555344513093. The reversal of 2555344513081 is 1803154435552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2548783513081 + 6561000000 = 1596491^2 + 81000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555344513081 - 2¹⁷ = 2555344382009 is a prime.

It is a super-2 number, since 2×2555344513081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2555344513031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277672256540 + 1277672256541.

It is an arithmetic number, because the mean of its divisors is an integer number (1277672256541).

Almost surely, 2^{2555344513081} is an apocalyptic number.

It is an amenable number.

2555344513081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555344513081 is an equidigital number, since it uses as much as digits as its factorization.

2555344513081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 2555344513081 in words is "two trillion, five hundred fifty-five billion, three hundred forty-four million, five hundred thirteen thousand, eighty-one".