2056761611 has 2 divisors, whose sum is σ = 2056761612. Its totient is φ = 2056761610.

The previous prime is 2056761589. The next prime is 2056761631. The reversal of 2056761611 is 1161676502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056761611 - 2³⁰ = 983019787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2056761631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028380805 + 1028380806.

It is an arithmetic number, because the mean of its divisors is an integer number (1028380806).

Almost surely, 2^2056761611 is an apocalyptic number.

2056761611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056761611 is an equidigital number, since it uses as much as digits as its factorization.

2056761611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2056761611 is about 45351.5337226868. The cubic root of 2056761611 is about 1271.7292274912.

The spelling of 2056761611 in words is "two billion, fifty-six million, seven hundred sixty-one thousand, six hundred eleven".