808111 has 2 divisors, whose sum is σ = 808112. Its totient is φ = 808110.

The previous prime is 808097. The next prime is 808147. The reversal of 808111 is 111808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 808111 - 2¹⁵ = 775343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404055 + 404056.

It is an arithmetic number, because the mean of its divisors is an integer number (404056).

2⁸⁰⁸¹¹¹ is an apocalyptic number.

808111 is a deficient number, since it is larger than the sum of its proper divisors (1).

808111 is an equidigital number, since it uses as much as digits as its factorization.

808111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 808111 is about 898.9499429890. The cubic root of 808111 is about 93.1444550437.

Adding to 808111 its reverse (111808), we get a palindrome (919919).

It can be divided in two parts, 808 and 111, that added together give a palindrome (919).

The spelling of 808111 in words is "eight hundred eight thousand, one hundred eleven".