11099043911 has 2 divisors, whose sum is σ = 11099043912. Its totient is φ = 11099043910.

The previous prime is 11099043859. The next prime is 11099043913. The reversal of 11099043911 is 11934099011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11099043911 - 2⁶ = 11099043847 is a prime.

It is a Sophie Germain prime.

Together with 11099043913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11099043913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5549521955 + 5549521956.

It is an arithmetic number, because the mean of its divisors is an integer number (5549521956).

Almost surely, 2^11099043911 is an apocalyptic number.

11099043911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11099043911 is an equidigital number, since it uses as much as digits as its factorization.

11099043911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 11099043911 in words is "eleven billion, ninety-nine million, forty-three thousand, nine hundred eleven".