11143430011 has 48 divisors (see below), whose sum is σ = 14360716800. Its totient is φ = 8575607040.

The previous prime is 11143430009. The next prime is 11143430033. The reversal of 11143430011 is 11003434111.

It is not a de Polignac number, because 11143430011 - 2¹ = 11143430009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143430411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11475756 + ... + 11476726.

It is an arithmetic number, because the mean of its divisors is an integer number (299181600).

Almost surely, 2^11143430011 is an apocalyptic number.

11143430011 is a deficient number, since it is larger than the sum of its proper divisors (3217286789).

11143430011 is a wasteful number, since it uses less digits than its factorization.

11143430011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11143430011 its reverse (11003434111), we get a palindrome (22146864122).

The spelling of 11143430011 in words is "eleven billion, one hundred forty-three million, four hundred thirty thousand, eleven".