11115643066166 has 16 divisors (see below), whose sum is σ = 16683052680000. Its totient is φ = 5554625925888.

The previous prime is 11115643066051. The next prime is 11115643066217. The reversal of 11115643066166 is 66166034651111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11115643066166.

It is a congruent 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, 57350516 + ... + 57544008.

It is an arithmetic number, because the mean of its divisors is an integer number (1042690792500).

Almost surely, 2^{11115643066166} is an apocalyptic number.

11115643066166 is a deficient number, since it is larger than the sum of its proper divisors (5567409613834).

11115643066166 is a wasteful number, since it uses less digits than its factorization.

11115643066166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209863.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 11115643066166 in words is "eleven trillion, one hundred fifteen billion, six hundred forty-three million, sixty-six thousand, one hundred sixty-six".