811053211 has 2 divisors, whose sum is σ = 811053212. Its totient is φ = 811053210.

The previous prime is 811053161. The next prime is 811053227. The reversal of 811053211 is 112350118.

811053211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 811053211 - 2¹⁵ = 811020443 is a prime.

It is a super-2 number, since 2×811053211² = 1315614622146821042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (811053251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405526605 + 405526606.

It is an arithmetic number, because the mean of its divisors is an integer number (405526606).

Almost surely, 2^811053211 is an apocalyptic number.

811053211 is a deficient number, since it is larger than the sum of its proper divisors (1).

811053211 is an equidigital number, since it uses as much as digits as its factorization.

811053211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 811053211 is about 28478.9959619366. The cubic root of 811053211 is about 932.5735979689.

The spelling of 811053211 in words is "eight hundred eleven million, fifty-three thousand, two hundred eleven".