11131346666 has 16 divisors (see below), whose sum is σ = 19286398080. Its totient is φ = 4762073280.

The previous prime is 11131346657. The next prime is 11131346671. The reversal of 11131346666 is 66664313111.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14881106 + ... + 14881853.

It is an arithmetic number, because the mean of its divisors is an integer number (1205399880).

Almost surely, 2^11131346666 is an apocalyptic number.

11131346666 is a deficient number, since it is larger than the sum of its proper divisors (8155051414).

11131346666 is a wasteful number, since it uses less digits than its factorization.

11131346666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29762989.

The product of its digits is 46656, while the sum is 38.

Adding to 11131346666 its reverse (66664313111), we get a palindrome (77795659777).

The spelling of 11131346666 in words is "eleven billion, one hundred thirty-one million, three hundred forty-six thousand, six hundred sixty-six".