11144223243 has 48 divisors (see below), whose sum is σ = 17318246400. Its totient is φ = 7156019520.

The previous prime is 11144223241. The next prime is 11144223271. The reversal of 11144223243 is 34232244111.

11144223243 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 11144223243 - 2¹ = 11144223241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11144223241) 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 47 ways as a sum of consecutive naturals, for example, 779998 + ... + 794156.

It is an arithmetic number, because the mean of its divisors is an integer number (360796800).

Almost surely, 2^11144223243 is an apocalyptic number.

11144223243 is a deficient number, since it is larger than the sum of its proper divisors (6174023157).

11144223243 is an equidigital number, since it uses as much as digits as its factorization.

11144223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14294 (or 14282 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 11144223243 its reverse (34232244111), we get a palindrome (45376467354).

The spelling of 11144223243 in words is "eleven billion, one hundred forty-four million, two hundred twenty-three thousand, two hundred forty-three".