11038009 has 4 divisors (see below), whose sum is σ = 11418660. Its totient is φ = 10657360.

The previous prime is 11038003. The next prime is 11038019. The reversal of 11038009 is 90083011.

11038009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 8832784 = 1485^2 + 2972^2 .

It is a cyclic number.

It is not a de Polignac number, because 11038009 - 2⁵ = 11037977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11038003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190282 + ... + 190339.

It is an arithmetic number, because the mean of its divisors is an integer number (2854665).

Almost surely, 2^11038009 is an apocalyptic number.

It is an amenable number.

11038009 is a deficient number, since it is larger than the sum of its proper divisors (380651).

11038009 is an equidigital number, since it uses as much as digits as its factorization.

11038009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380650.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11038009 is about 3322.3499213659. The cubic root of 11038009 is about 222.6538699165.

The spelling of 11038009 in words is "eleven million, thirty-eight thousand, nine".