11003044013 has 4 divisors (see below), whose sum is σ = 11849432028. Its totient is φ = 10156656000.

The previous prime is 11003043941. The next prime is 11003044033. The reversal of 11003044013 is 31044030011.

11003044013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31044030011 = 1187 ⋅26153353.

It can be written as a sum of positive squares in 2 ways, for example, as 4176649129 + 6826394884 = 64627^2 + 82622^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003044013 - 2¹⁸ = 11002781869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11003043982 and 11003044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003044033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423193988 + ... + 423194013.

It is an arithmetic number, because the mean of its divisors is an integer number (2962358007).

Almost surely, 2^11003044013 is an apocalyptic number.

11003044013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11003044013 is a deficient number, since it is larger than the sum of its proper divisors (846388015).

11003044013 is an equidigital number, since it uses as much as digits as its factorization.

11003044013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846388014.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11003044013 its reverse (31044030011), we get a palindrome (42047074024).

The spelling of 11003044013 in words is "eleven billion, three million, forty-four thousand, thirteen".