11003109 has 32 divisors (see below), whose sum is σ = 17203200. Its totient is φ = 6194880.

The previous prime is 11003107. The next prime is 11003137. The reversal of 11003109 is 90130011.

It is not a de Polignac number, because 11003109 - 2¹ = 11003107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22732 + ... + 23210.

It is an arithmetic number, because the mean of its divisors is an integer number (537600).

Almost surely, 2^11003109 is an apocalyptic number.

11003109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11003109 is a deficient number, since it is larger than the sum of its proper divisors (6200091).

11003109 is a wasteful number, since it uses less digits than its factorization.

11003109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 11003109 is about 3317.0934566274. The cubic root of 11003109 is about 222.4189596714.

The spelling of 11003109 in words is "eleven million, three thousand, one hundred nine".