11009005 has 8 divisors (see below), whose sum is σ = 15098112. Its totient is φ = 7549008.

The previous prime is 11008967. The next prime is 11009023. The reversal of 11009005 is 50090011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11009005 - 2²¹ = 8911853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11009005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157237 + ... + 157306.

It is an arithmetic number, because the mean of its divisors is an integer number (1887264).

Almost surely, 2^11009005 is an apocalyptic number.

It is an amenable number.

11009005 is a deficient number, since it is larger than the sum of its proper divisors (4089107).

11009005 is an equidigital number, since it uses as much as digits as its factorization.

11009005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314555.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 11009005 is about 3317.9820674621. The cubic root of 11009005 is about 222.4586802032.

Adding to 11009005 its reverse (50090011), we get a palindrome (61099016).

The spelling of 11009005 in words is "eleven million, nine thousand, five".