11331243412 has 24 divisors (see below), whose sum is σ = 20134476320. Its totient is φ = 5578610400.

The previous prime is 11331243409. The next prime is 11331243433. The reversal of 11331243412 is 21434213311.

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, 704662 + ... + 720562.

Almost surely, 2^11331243412 is an apocalyptic number.

It is an amenable number.

11331243412 is a deficient number, since it is larger than the sum of its proper divisors (8803232908).

11331243412 is a wasteful number, since it uses less digits than its factorization.

11331243412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631 (or 18629 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 11331243412 its reverse (21434213311), we get a palindrome (32765456723).

The spelling of 11331243412 in words is "eleven billion, three hundred thirty-one million, two hundred forty-three thousand, four hundred twelve".