11333444668 has 48 divisors (see below), whose sum is σ = 24422587840. Its totient is φ = 4481339904.

The previous prime is 11333444561. The next prime is 11333444669. The reversal of 11333444668 is 86644433311.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333444669) 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, 863080 + ... + 876112.

Almost surely, 2^11333444668 is an apocalyptic number.

It is an amenable number.

11333444668 is an abundant number, since it is smaller than the sum of its proper divisors (13089143172).

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

11333444668 is a wasteful number, since it uses less digits than its factorization.

11333444668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446 (or 15444 counting only the distinct ones).

The product of its digits is 497664, while the sum is 43.

Adding to 11333444668 its reverse (86644433311), we get a palindrome (97977877979).

The spelling of 11333444668 in words is "eleven billion, three hundred thirty-three million, four hundred forty-four thousand, six hundred sixty-eight".