2056222017139 has 2 divisors, whose sum is σ = 2056222017140. Its totient is φ = 2056222017138.

The previous prime is 2056222017103. The next prime is 2056222017167. The reversal of 2056222017139 is 9317102226502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2056222017139 - 2⁹ = 2056222016627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2056222017439) 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, 1028111008569 + 1028111008570.

It is an arithmetic number, because the mean of its divisors is an integer number (1028111008570).

Almost surely, 2^{2056222017139} is an apocalyptic number.

2056222017139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056222017139 is an equidigital number, since it uses as much as digits as its factorization.

2056222017139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 2056222017139 in words is "two trillion, fifty-six billion, two hundred twenty-two million, seventeen thousand, one hundred thirty-nine".