8193118111 has 2 divisors, whose sum is σ = 8193118112. Its totient is φ = 8193118110.

The previous prime is 8193118103. The next prime is 8193118127. The reversal of 8193118111 is 1118113918.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8193118111 - 2³ = 8193118103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8193118151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4096559055 + 4096559056.

It is an arithmetic number, because the mean of its divisors is an integer number (4096559056).

Almost surely, 2^8193118111 is an apocalyptic number.

8193118111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8193118111 is an equidigital number, since it uses as much as digits as its factorization.

8193118111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 34.

The square root of 8193118111 is about 90515.8445301153. The cubic root of 8193118111 is about 2015.9653899554.

The spelling of 8193118111 in words is "eight billion, one hundred ninety-three million, one hundred eighteen thousand, one hundred eleven".