11818699199 has 2 divisors, whose sum is σ = 11818699200. Its totient is φ = 11818699198.

The previous prime is 11818699171. The next prime is 11818699213. The reversal of 11818699199 is 99199681811.

11818699199 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 an emirp because it is prime and its reverse (99199681811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11818699199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11818699499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5909349599 + 5909349600.

It is an arithmetic number, because the mean of its divisors is an integer number (5909349600).

Almost surely, 2^11818699199 is an apocalyptic number.

11818699199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11818699199 is an equidigital number, since it uses as much as digits as its factorization.

11818699199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 62.

The spelling of 11818699199 in words is "eleven billion, eight hundred eighteen million, six hundred ninety-nine thousand, one hundred ninety-nine".