111550661210216 has 32 divisors (see below), whose sum is σ = 216385362144000. Its totient is φ = 53855912248320.

The previous prime is 111550661210201. The next prime is 111550661210293. The reversal of 111550661210216 is 612012166055111.

111550661210216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 111550661210216.

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, 500780690 + ... + 501003393.

It is an arithmetic number, because the mean of its divisors is an integer number (6762042567000).

Almost surely, 2^{111550661210216} is an apocalyptic number.

It is an amenable number.

111550661210216 is a deficient number, since it is larger than the sum of its proper divisors (104834700933784).

111550661210216 is a wasteful number, since it uses less digits than its factorization.

111550661210216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001784569 (or 1001784565 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 111550661210216 in words is "one hundred eleven trillion, five hundred fifty billion, six hundred sixty-one million, two hundred ten thousand, two hundred sixteen".