111066386161 has 8 divisors (see below), whose sum is σ = 117861625800. Its totient is φ = 104300249088.

The previous prime is 111066386129. The next prime is 111066386261. The reversal of 111066386161 is 161683660111.

It can be written as a sum of positive squares in 4 ways, for example, as 12120909025 + 98945477136 = 110095^2 + 314556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111066386161 - 2⁵ = 111066386129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111066386261) by changing a digit.

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, 7267776 + ... + 7283041.

It is an arithmetic number, because the mean of its divisors is an integer number (14732703225).

Almost surely, 2^111066386161 is an apocalyptic number.

It is an amenable number.

111066386161 is a deficient number, since it is larger than the sum of its proper divisors (6795239639).

111066386161 is a wasteful number, since it uses less digits than its factorization.

111066386161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14551283.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 111066386161 in words is "one hundred eleven billion, sixty-six million, three hundred eighty-six thousand, one hundred sixty-one".