11113444456688 has 60 divisors (see below), whose sum is σ = 26521174580832. Its totient is φ = 4482733893120.

The previous prime is 11113444456679. The next prime is 11113444456693. The reversal of 11113444456688 is 88665444431111.

It is a happy number.

It is a super-3 number, since 3×11113444456688³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416907608 + ... + 416934263.

Almost surely, 2^{11113444456688} is an apocalyptic number.

It is an amenable number.

11113444456688 is an abundant number, since it is smaller than the sum of its proper divisors (15407730124144).

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

11113444456688 is a wasteful number, since it uses less digits than its factorization.

11113444456688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833841910 (or 833841897 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 56.

Adding to 11113444456688 its reverse (88665444431111), we get a palindrome (99778888887799).

The spelling of 11113444456688 in words is "eleven trillion, one hundred thirteen billion, four hundred forty-four million, four hundred fifty-six thousand, six hundred eighty-eight".