11103330243 has 16 divisors (see below), whose sum is σ = 15332391936. Its totient is φ = 7142681280.

The previous prime is 11103330211. The next prime is 11103330281. The reversal of 11103330243 is 34203330111.

It is not a de Polignac number, because 11103330243 - 2⁵ = 11103330211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11103330643) 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, 544546 + ... + 564567.

It is an arithmetic number, because the mean of its divisors is an integer number (958274496).

Almost surely, 2^11103330243 is an apocalyptic number.

11103330243 is a deficient number, since it is larger than the sum of its proper divisors (4229061693).

11103330243 is a wasteful number, since it uses less digits than its factorization.

11103330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109234.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11103330243 its reverse (34203330111), we get a palindrome (45306660354).

The spelling of 11103330243 in words is "eleven billion, one hundred three million, three hundred thirty thousand, two hundred forty-three".