11992229911 has 2 divisors, whose sum is σ = 11992229912. Its totient is φ = 11992229910.

The previous prime is 11992229903. The next prime is 11992229927.

11992229911 is nontrivially palindromic in base 10.

11992229911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 11992229911 - 2³ = 11992229903 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11992229971) 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, 5996114955 + 5996114956.

It is an arithmetic number, because the mean of its divisors is an integer number (5996114956).

Almost surely, 2^11992229911 is an apocalyptic number.

11992229911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11992229911 is an equidigital number, since it uses as much as digits as its factorization.

11992229911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 46.

The spelling of 11992229911 in words is "eleven billion, nine hundred ninety-two million, two hundred twenty-nine thousand, nine hundred eleven".