11145668 has 6 divisors (see below), whose sum is σ = 19504926. Its totient is φ = 5572832.

The previous prime is 11145661. The next prime is 11145671. The reversal of 11145668 is 86654111.

It can be written as a sum of positive squares in only one way, i.e., 8111104 + 3034564 = 2848^2 + 1742^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11145661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1393205 + ... + 1393212.

It is an arithmetic number, because the mean of its divisors is an integer number (3250821).

Almost surely, 2^11145668 is an apocalyptic number.

It is an amenable number.

11145668 is a deficient number, since it is larger than the sum of its proper divisors (8359258).

11145668 is a wasteful number, since it uses less digits than its factorization.

11145668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786421 (or 2786419 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 11145668 is about 3338.5128425693. The cubic root of 11145668 is about 223.3754124816.

Adding to 11145668 its reverse (86654111), we get a palindrome (97799779).

The spelling of 11145668 in words is "eleven million, one hundred forty-five thousand, six hundred sixty-eight".