11143424236 has 48 divisors (see below), whose sum is σ = 22951356736. Its totient is φ = 4634060544.

The previous prime is 11143424219. The next prime is 11143424239. The reversal of 11143424236 is 63242434111.

It is a junction number, because it is equal to n+sod(n) for n = 11143424198 and 11143424207.

It is not an unprimeable number, because it can be changed into a prime (11143424239) 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, 372010 + ... + 400846.

Almost surely, 2^11143424236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11143424236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11475678368).

11143424236 is an abundant number, since it is smaller than the sum of its proper divisors (11807932500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143424236 is a wasteful number, since it uses less digits than its factorization.

11143424236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29258 (or 29256 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

Adding to 11143424236 its reverse (63242434111), we get a palindrome (74385858347).

The spelling of 11143424236 in words is "eleven billion, one hundred forty-three million, four hundred twenty-four thousand, two hundred thirty-six".