11444143243 has 8 divisors (see below), whose sum is σ = 12556999728. Its totient is φ = 10364506464.

The previous prime is 11444143237. The next prime is 11444143259. The reversal of 11444143243 is 34234144411.

11444143243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11444143243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11444143343) 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 7 ways as a sum of consecutive naturals, for example, 8304205 + ... + 8305582.

It is an arithmetic number, because the mean of its divisors is an integer number (1569624966).

Almost surely, 2^11444143243 is an apocalyptic number.

11444143243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11444143243 is a deficient number, since it is larger than the sum of its proper divisors (1112856485).

11444143243 is a wasteful number, since it uses less digits than its factorization.

11444143243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609853.

The product of its digits is 18432, while the sum is 31.

Adding to 11444143243 its reverse (34234144411), we get a palindrome (45678287654).

The spelling of 11444143243 in words is "eleven billion, four hundred forty-four million, one hundred forty-three thousand, two hundred forty-three".