11143533112 has 16 divisors (see below), whose sum is σ = 20903047200. Its totient is φ = 5569387200.

The previous prime is 11143533109. The next prime is 11143533113. The reversal of 11143533112 is 21133534111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143533113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277437 + ... + 315052.

It is an arithmetic number, because the mean of its divisors is an integer number (1306440450).

Almost surely, 2^11143533112 is an apocalyptic number.

It is an amenable number.

11143533112 is a deficient number, since it is larger than the sum of its proper divisors (9759514088).

11143533112 is a wasteful number, since it uses less digits than its factorization.

11143533112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594846 (or 594842 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

Subtracting 11143533112 from its reverse (21133534111), we obtain a palindrome (9990000999).

The spelling of 11143533112 in words is "eleven billion, one hundred forty-three million, five hundred thirty-three thousand, one hundred twelve".