11009105 has 16 divisors (see below), whose sum is σ = 13659840. Its totient is φ = 8513472.

The previous prime is 11009087. The next prime is 11009137. The reversal of 11009105 is 50190011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11009105 - 2⁶ = 11009041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19487 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (853740).

Almost surely, 2^11009105 is an apocalyptic number.

It is an amenable number.

11009105 is a deficient number, since it is larger than the sum of its proper divisors (2650735).

11009105 is an equidigital number, since it uses as much as digits as its factorization.

11009105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 11009105 is about 3317.9971368282. The cubic root of 11009105 is about 222.4593537670.

Adding to 11009105 its reverse (50190011), we get a palindrome (61199116).

The spelling of 11009105 in words is "eleven million, nine thousand, one hundred five".