11321143612 has 12 divisors (see below), whose sum is σ = 20233533600. Its totient is φ = 5540134016.

The previous prime is 11321143579. The next prime is 11321143657. The reversal of 11321143612 is 21634112311.

11321143612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30109237 + ... + 30109612.

It is an arithmetic number, because the mean of its divisors is an integer number (1686127800).

Almost surely, 2^11321143612 is an apocalyptic number.

It is an amenable number.

11321143612 is a deficient number, since it is larger than the sum of its proper divisors (8912389988).

11321143612 is a wasteful number, since it uses less digits than its factorization.

11321143612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60218900 (or 60218898 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

Adding to 11321143612 its reverse (21634112311), we get a palindrome (32955255923).

The spelling of 11321143612 in words is "eleven billion, three hundred twenty-one million, one hundred forty-three thousand, six hundred twelve".