11045403 has 20 divisors (see below), whose sum is σ = 17370760. Its totient is φ = 6975072.

The previous prime is 11045401. The next prime is 11045417. The reversal of 11045403 is 30454011.

It is a happy number.

It is not a de Polignac number, because 11045403 - 2¹ = 11045401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11045401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2050 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (868538).

Almost surely, 2^11045403 is an apocalyptic number.

11045403 is a deficient number, since it is larger than the sum of its proper divisors (6325357).

11045403 is an equidigital number, since it uses as much as digits as its factorization.

11045403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208 (or 7199 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11045403 is about 3323.4625016690. The cubic root of 11045403 is about 222.7035749931.

Adding to 11045403 its reverse (30454011), we get a palindrome (41499414).

The spelling of 11045403 in words is "eleven million, forty-five thousand, four hundred three".