11118199 has 2 divisors, whose sum is σ = 11118200. Its totient is φ = 11118198.

The previous prime is 11118197. The next prime is 11118251. The reversal of 11118199 is 99181111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11118199 - 2¹ = 11118197 is a prime.

It is a super-2 number, since 2×11118199² = 247228698007202, which contains 22 as substring.

Together with 11118197, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11118199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11118197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559099 + 5559100.

It is an arithmetic number, because the mean of its divisors is an integer number (5559100).

Almost surely, 2^11118199 is an apocalyptic number.

11118199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118199 is an equidigital number, since it uses as much as digits as its factorization.

11118199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 31.

The square root of 11118199 is about 3334.3963471669. The cubic root of 11118199 is about 223.1917552720.

The spelling of 11118199 in words is "eleven million, one hundred eighteen thousand, one hundred ninety-nine".