11040503 has 4 divisors (see below), whose sum is σ = 11421240. Its totient is φ = 10659768.

The previous prime is 11040481. The next prime is 11040517. The reversal of 11040503 is 30504011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30504011 = 113 ⋅269947.

It is a cyclic number.

It is not a de Polignac number, because 11040503 - 2¹² = 11036407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040563) 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, 190325 + ... + 190382.

It is an arithmetic number, because the mean of its divisors is an integer number (2855310).

Almost surely, 2^11040503 is an apocalyptic number.

11040503 is a deficient number, since it is larger than the sum of its proper divisors (380737).

11040503 is an equidigital number, since it uses as much as digits as its factorization.

11040503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380736.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 11040503 is about 3322.7252369102. The cubic root of 11040503 is about 222.6706379446.

Adding to 11040503 its reverse (30504011), we get a palindrome (41544514).

The spelling of 11040503 in words is "eleven million, forty thousand, five hundred three".