11043651216666 has 16 divisors (see below), whose sum is σ = 22600960629984. Its totient is φ = 3595607372784.

The previous prime is 11043651216659. The next prime is 11043651216677. The reversal of 11043651216666 is 66661215634011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21402424581 + ... + 21402425096.

It is an arithmetic number, because the mean of its divisors is an integer number (1412560039374).

Almost surely, 2^{11043651216666} is an apocalyptic number.

11043651216666 is an abundant number, since it is smaller than the sum of its proper divisors (11557309413318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11043651216666 is a wasteful number, since it uses less digits than its factorization.

11043651216666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42804849725.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 11043651216666 in words is "eleven trillion, forty-three billion, six hundred fifty-one million, two hundred sixteen thousand, six hundred sixty-six".