856005360011 has 2 divisors, whose sum is σ = 856005360012. Its totient is φ = 856005360010.

The previous prime is 856005359983. The next prime is 856005360043. The reversal of 856005360011 is 110063500658.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856005360011 is a prime.

It is not a weakly prime, because it can be changed into another prime (856005365011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428002680005 + 428002680006.

It is an arithmetic number, because the mean of its divisors is an integer number (428002680006).

Almost surely, 2^856005360011 is an apocalyptic number.

856005360011 is a deficient number, since it is larger than the sum of its proper divisors (1).

856005360011 is an equidigital number, since it uses as much as digits as its factorization.

856005360011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 856005360011 its reverse (110063500658), we get a palindrome (966068860669).

The spelling of 856005360011 in words is "eight hundred fifty-six billion, five million, three hundred sixty thousand, eleven".