2056212610651 has 2 divisors, whose sum is σ = 2056212610652. Its totient is φ = 2056212610650.

The previous prime is 2056212610553. The next prime is 2056212610681. The reversal of 2056212610651 is 1560162126502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056212610651 - 2⁹ = 2056212610139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2056212610651.

It is not a weakly prime, because it can be changed into another prime (2056212610681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028106305325 + 1028106305326.

It is an arithmetic number, because the mean of its divisors is an integer number (1028106305326).

Almost surely, 2^{2056212610651} is an apocalyptic number.

2056212610651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056212610651 is an equidigital number, since it uses as much as digits as its factorization.

2056212610651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 2056212610651 in words is "two trillion, fifty-six billion, two hundred twelve million, six hundred ten thousand, six hundred fifty-one".