11143350043 has 16 divisors (see below), whose sum is σ = 13759588800. Its totient is φ = 8989588608.

The previous prime is 11143350013. The next prime is 11143350059. The reversal of 11143350043 is 34005334111.

It is a de Polignac number, because none of the positive numbers 2^k-11143350043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143350013) 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, 949696 + ... + 961357.

It is an arithmetic number, because the mean of its divisors is an integer number (859974300).

Almost surely, 2^11143350043 is an apocalyptic number.

11143350043 is a deficient number, since it is larger than the sum of its proper divisors (2616238757).

11143350043 is an equidigital number, since it uses as much as digits as its factorization.

11143350043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911091 (or 1911077 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 11143350043 its reverse (34005334111), we get a palindrome (45148684154).

The spelling of 11143350043 in words is "eleven billion, one hundred forty-three million, three hundred fifty thousand, forty-three".