11103144111 has 6 divisors (see below), whose sum is σ = 16037874840. Its totient is φ = 7402096068.

The previous prime is 11103144077. The next prime is 11103144121. The reversal of 11103144111 is 11144130111.

11103144111 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 11103144111 - 2¹³ = 11103135919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103144121) 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 5 ways as a sum of consecutive naturals, for example, 616841331 + ... + 616841348.

It is an arithmetic number, because the mean of its divisors is an integer number (2672979140).

Almost surely, 2^11103144111 is an apocalyptic number.

11103144111 is a deficient number, since it is larger than the sum of its proper divisors (4934730729).

11103144111 is a wasteful number, since it uses less digits than its factorization.

11103144111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233682685 (or 1233682682 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11103144111 its reverse (11144130111), we get a palindrome (22247274222).

The spelling of 11103144111 in words is "eleven billion, one hundred three million, one hundred forty-four thousand, one hundred eleven".