11143441012 has 24 divisors (see below), whose sum is σ = 21675239712. Its totient is φ = 4969629600.

The previous prime is 11143441007. The next prime is 11143441031. The reversal of 11143441012 is 21014434111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386914 + ... + 2391577.

It is an arithmetic number, because the mean of its divisors is an integer number (903134988).

Almost surely, 2^11143441012 is an apocalyptic number.

It is an amenable number.

11143441012 is a deficient number, since it is larger than the sum of its proper divisors (10531798700).

11143441012 is a wasteful number, since it uses less digits than its factorization.

11143441012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778559 (or 4778557 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11143441012 its reverse (21014434111), we get a palindrome (32157875123).

The spelling of 11143441012 in words is "eleven billion, one hundred forty-three million, four hundred forty-one thousand, twelve".