11799911 has 2 divisors, whose sum is σ = 11799912. Its totient is φ = 11799910.

The previous prime is 11799899. The next prime is 11799913. The reversal of 11799911 is 11999711.

11799911 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 11799911 - 2²² = 7605607 is a prime.

Together with 11799913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11799913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5899955 + 5899956.

It is an arithmetic number, because the mean of its divisors is an integer number (5899956).

Almost surely, 2^11799911 is an apocalyptic number.

11799911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11799911 is an equidigital number, since it uses as much as digits as its factorization.

11799911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103, while the sum is 38.

The square root of 11799911 is about 3435.0998529883. The cubic root of 11799911 is about 227.6632391197.

The spelling of 11799911 in words is "eleven million, seven hundred ninety-nine thousand, nine hundred eleven".