11040403 has 6 divisors (see below), whose sum is σ = 12135452. Its totient is φ = 10036620.

The previous prime is 11040383. The next prime is 11040413. The reversal of 11040403 is 30404011.

11040403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11040403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45501 + ... + 45742.

Almost surely, 2^11040403 is an apocalyptic number.

11040403 is a deficient number, since it is larger than the sum of its proper divisors (1095049).

11040403 is an equidigital number, since it uses as much as digits as its factorization.

11040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91265 (or 91254 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11040403 is about 3322.7101889873. The cubic root of 11040403 is about 222.6699656584.

Adding to 11040403 its reverse (30404011), we get a palindrome (41444414).

The spelling of 11040403 in words is "eleven million, forty thousand, four hundred three".