11500066 has 8 divisors (see below), whose sum is σ = 17845020. Its totient is φ = 5551728.

The previous prime is 11500061. The next prime is 11500079. The reversal of 11500066 is 66000511.

It can be written as a sum of positive squares in 2 ways, for example, as 10751841 + 748225 = 3279^2 + 865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11500061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99081 + ... + 99196.

Almost surely, 2^11500066 is an apocalyptic number.

11500066 is a deficient number, since it is larger than the sum of its proper divisors (6344954).

11500066 is a wasteful number, since it uses less digits than its factorization.

11500066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198308.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11500066 is about 3391.1747227178. The cubic root of 11500066 is about 225.7183035810.

Adding to 11500066 its reverse (66000511), we get a palindrome (77500577).

The spelling of 11500066 in words is "eleven million, five hundred thousand, sixty-six".