2056576811 has 2 divisors, whose sum is σ = 2056576812. Its totient is φ = 2056576810.

The previous prime is 2056576801. The next prime is 2056576889. The reversal of 2056576811 is 1186756502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056576811 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2056576801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028288405 + 1028288406.

It is an arithmetic number, because the mean of its divisors is an integer number (1028288406).

Almost surely, 2^2056576811 is an apocalyptic number.

2056576811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056576811 is an equidigital number, since it uses as much as digits as its factorization.

2056576811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 2056576811 is about 45349.4962596058. The cubic root of 2056576811 is about 1271.6911380664.

The spelling of 2056576811 in words is "two billion, fifty-six million, five hundred seventy-six thousand, eight hundred eleven".