11143133312 has 16 divisors (see below), whose sum is σ = 22199211150. Its totient is φ = 5571566592.

The previous prime is 11143133297. The next prime is 11143133317. The reversal of 11143133312 is 21333134111.

It can be written as a sum of positive squares in only one way, i.e., 10188076096 + 955057216 = 100936^2 + 30904^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (11143133317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43527737 + ... + 43527992.

Almost surely, 2^11143133312 is an apocalyptic number.

It is an amenable number.

11143133312 is a deficient number, since it is larger than the sum of its proper divisors (11056077838).

11143133312 is an frugal number, since it uses more digits than its factorization.

11143133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87055743 (or 87055731 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 11143133312 its reverse (21333134111), we get a palindrome (32476267423).

The spelling of 11143133312 in words is "eleven billion, one hundred forty-three million, one hundred thirty-three thousand, three hundred twelve".