11115668 has 6 divisors (see below), whose sum is σ = 19452426. Its totient is φ = 5557832.

The previous prime is 11115667. The next prime is 11115673. The reversal of 11115668 is 86651111.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 1800964 = 3052^2 + 1342^2 .

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11115668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389455 + ... + 1389462.

It is an arithmetic number, because the mean of its divisors is an integer number (3242071).

Almost surely, 2^11115668 is an apocalyptic number.

It is an amenable number.

11115668 is a deficient number, since it is larger than the sum of its proper divisors (8336758).

11115668 is a wasteful number, since it uses less digits than its factorization.

11115668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778921 (or 2778919 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 11115668 is about 3334.0167965984. The cubic root of 11115668 is about 223.1748178404.

Adding to 11115668 its reverse (86651111), we get a palindrome (97766779).

The spelling of 11115668 in words is "eleven million, one hundred fifteen thousand, six hundred sixty-eight".