11811299 has 2 divisors, whose sum is σ = 11811300. Its totient is φ = 11811298.

The previous prime is 11811287. The next prime is 11811301. The reversal of 11811299 is 99211811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11811299 - 2⁸ = 11811043 is a prime.

Together with 11811301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11811599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905649 + 5905650.

It is an arithmetic number, because the mean of its divisors is an integer number (5905650).

Almost surely, 2^11811299 is an apocalyptic number.

11811299 is a deficient number, since it is larger than the sum of its proper divisors (1).

11811299 is an equidigital number, since it uses as much as digits as its factorization.

11811299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 32.

The square root of 11811299 is about 3436.7570469848. The cubic root of 11811299 is about 227.7364542304.

The spelling of 11811299 in words is "eleven million, eight hundred eleven thousand, two hundred ninety-nine".