2555344515377 has 2 divisors, whose sum is σ = 2555344515378. Its totient is φ = 2555344515376.

The previous prime is 2555344515313. The next prime is 2555344515443. The reversal of 2555344515377 is 7735154435552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2337837942001 + 217506573376 = 1528999^2 + 466376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555344515377 - 2⁶ = 2555344515313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555344505377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277672257688 + 1277672257689.

It is an arithmetic number, because the mean of its divisors is an integer number (1277672257689).

Almost surely, 2^{2555344515377} is an apocalyptic number.

It is an amenable number.

2555344515377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555344515377 is an equidigital number, since it uses as much as digits as its factorization.

2555344515377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100000, while the sum is 56.

The spelling of 2555344515377 in words is "two trillion, five hundred fifty-five billion, three hundred forty-four million, five hundred fifteen thousand, three hundred seventy-seven".