11003304043 has 4 divisors (see below), whose sum is σ = 11650557240. Its totient is φ = 10356050848.

The previous prime is 11003304041. The next prime is 11003304047. The reversal of 11003304043 is 34040330011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34040330011 = 176753 ⋅192587.

It is a cyclic number.

It is not a de Polignac number, because 11003304043 - 2¹ = 11003304041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11003304043.

It is not an unprimeable number, because it can be changed into a prime (11003304041) 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, 323626573 + ... + 323626606.

It is an arithmetic number, because the mean of its divisors is an integer number (2912639310).

Almost surely, 2^11003304043 is an apocalyptic number.

11003304043 is a deficient number, since it is larger than the sum of its proper divisors (647253197).

11003304043 is an equidigital number, since it uses as much as digits as its factorization.

11003304043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647253196.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 11003304043 its reverse (34040330011), we get a palindrome (45043634054).

The spelling of 11003304043 in words is "eleven billion, three million, three hundred four thousand, forty-three".