856126211 has 2 divisors, whose sum is σ = 856126212. Its totient is φ = 856126210.

The previous prime is 856126169. The next prime is 856126237. The reversal of 856126211 is 112621658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 856126211 - 2⁶ = 856126147 is a prime.

It is a super-2 number, since 2×856126211² = 1465904178322433042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (856126241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428063105 + 428063106.

It is an arithmetic number, because the mean of its divisors is an integer number (428063106).

Almost surely, 2^856126211 is an apocalyptic number.

856126211 is a deficient number, since it is larger than the sum of its proper divisors (1).

856126211 is an equidigital number, since it uses as much as digits as its factorization.

856126211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 856126211 is about 29259.6344987425. The cubic root of 856126211 is about 949.5385426449.

Adding to 856126211 its reverse (112621658), we get a palindrome (968747869).

The spelling of 856126211 in words is "eight hundred fifty-six million, one hundred twenty-six thousand, two hundred eleven".