11109011 has 2 divisors, whose sum is σ = 11109012. Its totient is φ = 11109010.

The previous prime is 11108989. The next prime is 11109013. The reversal of 11109011 is 11090111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11090111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11109011 is a prime.

Together with 11109013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11109013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554505 + 5554506.

It is an arithmetic number, because the mean of its divisors is an integer number (5554506).

Almost surely, 2^11109011 is an apocalyptic number.

11109011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109011 is an equidigital number, since it uses as much as digits as its factorization.

11109011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 11109011 is about 3333.0183017799. The cubic root of 11109011 is about 223.1302569724.

Adding to 11109011 its reverse (11090111), we get a palindrome (22199122).

The spelling of 11109011 in words is "eleven million, one hundred nine thousand, eleven".