2056620711117 has 16 divisors (see below), whose sum is σ = 3134005116032. Its totient is φ = 1175171751360.

The previous prime is 2056620711107. The next prime is 2056620711121. The reversal of 2056620711117 is 7111170266502.

It is not a de Polignac number, because 2056620711117 - 2⁸ = 2056620710861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056620711107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034158 + ... + 2276559.

It is an arithmetic number, because the mean of its divisors is an integer number (195875319752).

Almost surely, 2^{2056620711117} is an apocalyptic number.

It is an amenable number.

2056620711117 is a deficient number, since it is larger than the sum of its proper divisors (1077384404915).

2056620711117 is a wasteful number, since it uses less digits than its factorization.

2056620711117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340308.

The product of its (nonzero) digits is 35280, while the sum is 39.

Adding to 2056620711117 its reverse (7111170266502), we get a palindrome (9167790977619).

The spelling of 2056620711117 in words is "two trillion, fifty-six billion, six hundred twenty million, seven hundred eleven thousand, one hundred seventeen".