2056565040203 has 2 divisors, whose sum is σ = 2056565040204. Its totient is φ = 2056565040202.

The previous prime is 2056565040181. The next prime is 2056565040221. The reversal of 2056565040203 is 3020405656502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056565040203 - 2¹² = 2056565036107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2056565046203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028282520101 + 1028282520102.

It is an arithmetic number, because the mean of its divisors is an integer number (1028282520102).

Almost surely, 2^{2056565040203} is an apocalyptic number.

2056565040203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056565040203 is an equidigital number, since it uses as much as digits as its factorization.

2056565040203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 2056565040203 in words is "two trillion, fifty-six billion, five hundred sixty-five million, forty thousand, two hundred three".