11611199 has 2 divisors, whose sum is σ = 11611200. Its totient is φ = 11611198.

The previous prime is 11611189. The next prime is 11611217. The reversal of 11611199 is 99111611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99111611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11611199 - 2⁸ = 11610943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11611189) 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, 5805599 + 5805600.

It is an arithmetic number, because the mean of its divisors is an integer number (5805600).

Almost surely, 2^11611199 is an apocalyptic number.

11611199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611199 is an equidigital number, since it uses as much as digits as its factorization.

11611199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 29.

The square root of 11611199 is about 3407.5209463773. The cubic root of 11611199 is about 226.4430640466.

The spelling of 11611199 in words is "eleven million, six hundred eleven thousand, one hundred ninety-nine".