11044312403 has 16 divisors (see below), whose sum is σ = 11253116160. Its totient is φ = 10837863936.

The previous prime is 11044312397. The next prime is 11044312421. The reversal of 11044312403 is 30421344011.

It is a cyclic number.

It is not a de Polignac number, because 11044312403 - 2⁴ = 11044312387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11044512403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12797150 + ... + 12798012.

It is an arithmetic number, because the mean of its divisors is an integer number (703319760).

Almost surely, 2^11044312403 is an apocalyptic number.

11044312403 is a deficient number, since it is larger than the sum of its proper divisors (208803757).

11044312403 is a wasteful number, since it uses less digits than its factorization.

11044312403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11044312403 its reverse (30421344011), we get a palindrome (41465656414).

The spelling of 11044312403 in words is "eleven billion, forty-four million, three hundred twelve thousand, four hundred three".