2554665811 has 2 divisors, whose sum is σ = 2554665812. Its totient is φ = 2554665810.

The previous prime is 2554665791. The next prime is 2554665877. The reversal of 2554665811 is 1185664552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2554665811 - 2⁵ = 2554665779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2554665011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277332905 + 1277332906.

It is an arithmetic number, because the mean of its divisors is an integer number (1277332906).

Almost surely, 2^2554665811 is an apocalyptic number.

2554665811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554665811 is an equidigital number, since it uses as much as digits as its factorization.

2554665811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 43.

The square root of 2554665811 is about 50543.7019914450. The cubic root of 2554665811 is about 1367.0299576012.

The spelling of 2554665811 in words is "two billion, five hundred fifty-four million, six hundred sixty-five thousand, eight hundred eleven".