1116505510666 has 32 divisors (see below), whose sum is σ = 2061357137280. Its totient is φ = 441669589056.

The previous prime is 1116505510639. The next prime is 1116505510669. The reversal of 1116505510666 is 6660155056111.

It is not an unprimeable number, because it can be changed into a prime (1116505510669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3250245 + ... + 3577303.

It is an arithmetic number, because the mean of its divisors is an integer number (64417410540).

Almost surely, 2^{1116505510666} is an apocalyptic number.

1116505510666 is a deficient number, since it is larger than the sum of its proper divisors (944851626614).

1116505510666 is a wasteful number, since it uses less digits than its factorization.

1116505510666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345838.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 1116505510666 in words is "one trillion, one hundred sixteen billion, five hundred five million, five hundred ten thousand, six hundred sixty-six".