11111232199 has 2 divisors, whose sum is σ = 11111232200. Its totient is φ = 11111232198.

The previous prime is 11111232193. The next prime is 11111232227. The reversal of 11111232199 is 99123211111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111232199 - 2¹⁵ = 11111199431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11111232199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111232193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555616099 + 5555616100.

It is an arithmetic number, because the mean of its divisors is an integer number (5555616100).

Almost surely, 2^11111232199 is an apocalyptic number.

11111232199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111232199 is an equidigital number, since it uses as much as digits as its factorization.

11111232199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 31.

The spelling of 11111232199 in words is "eleven billion, one hundred eleven million, two hundred thirty-two thousand, one hundred ninety-nine".