11043331103 has 4 divisors (see below), whose sum is σ = 12620949840. Its totient is φ = 9465712368.

The previous prime is 11043331063. The next prime is 11043331129. The reversal of 11043331103 is 30113334011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30113334011 = 99133 ⋅303767.

It is a de Polignac number, because none of the positive numbers 2^k-11043331103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043339103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788809358 + ... + 788809371.

It is an arithmetic number, because the mean of its divisors is an integer number (3155237460).

Almost surely, 2^11043331103 is an apocalyptic number.

11043331103 is a deficient number, since it is larger than the sum of its proper divisors (1577618737).

11043331103 is an equidigital number, since it uses as much as digits as its factorization.

11043331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577618736.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11043331103 its reverse (30113334011), we get a palindrome (41156665114).

The spelling of 11043331103 in words is "eleven billion, forty-three million, three hundred thirty-one thousand, one hundred three".