11243105103 has 16 divisors (see below), whose sum is σ = 15217880832. Its totient is φ = 7382088000.

The previous prime is 11243105063. The next prime is 11243105117. The reversal of 11243105103 is 30150134211.

11243105103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11243105103 - 2¹⁰ = 11243104079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11243105103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243105303) 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 15 ways as a sum of consecutive naturals, for example, 179643 + ... + 234003.

It is an arithmetic number, because the mean of its divisors is an integer number (951117552).

Almost surely, 2^11243105103 is an apocalyptic number.

11243105103 is a deficient number, since it is larger than the sum of its proper divisors (3974775729).

11243105103 is an equidigital number, since it uses as much as digits as its factorization.

11243105103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55406.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11243105103 its reverse (30150134211), we get a palindrome (41393239314).

The spelling of 11243105103 in words is "eleven billion, two hundred forty-three million, one hundred five thousand, one hundred three".