1113445666668 has 48 divisors (see below), whose sum is σ = 2642430913920. Its totient is φ = 364808678400.

The previous prime is 1113445666661. The next prime is 1113445666679. The reversal of 1113445666668 is 8666665443111.

It is a happy number.

It is a super-2 number, since 2×1113445666668² (a number of 25 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113445666661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5342988 + ... + 5547468.

It is an arithmetic number, because the mean of its divisors is an integer number (55050644040).

Almost surely, 2^{1113445666668} is an apocalyptic number.

It is an amenable number.

1113445666668 is an abundant number, since it is smaller than the sum of its proper divisors (1528985247252).

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

1113445666668 is a wasteful number, since it uses less digits than its factorization.

1113445666668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212238 (or 212236 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 1113445666668 in words is "one trillion, one hundred thirteen billion, four hundred forty-five million, six hundred sixty-six thousand, six hundred sixty-eight".