11663451116 has 12 divisors (see below), whose sum is σ = 20435906400. Its totient is φ = 5824620720.

The previous prime is 11663451071. The next prime is 11663451127. The reversal of 11663451116 is 61115436611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772516 + ... + 1779083.

It is an arithmetic number, because the mean of its divisors is an integer number (1702992200).

Almost surely, 2^11663451116 is an apocalyptic number.

It is an amenable number.

11663451116 is a deficient number, since it is larger than the sum of its proper divisors (8772455284).

11663451116 is a wasteful number, since it uses less digits than its factorization.

11663451116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552424 (or 3552422 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

Adding to 11663451116 its reverse (61115436611), we get a palindrome (72778887727).

The spelling of 11663451116 in words is "eleven billion, six hundred sixty-three million, four hundred fifty-one thousand, one hundred sixteen".