111065606105 has 4 divisors (see below), whose sum is σ = 133278727332. Its totient is φ = 88852484880.

The previous prime is 111065606089. The next prime is 111065606137. The reversal of 111065606105 is 501606560111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72648038089 + 38417568016 = 269533^2 + 196004^2 .

It is not a de Polignac number, because 111065606105 - 2⁴ = 111065606089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106560606 + ... + 11106560615.

It is an arithmetic number, because the mean of its divisors is an integer number (33319681833).

Almost surely, 2^111065606105 is an apocalyptic number.

It is an amenable number.

111065606105 is a deficient number, since it is larger than the sum of its proper divisors (22213121227).

111065606105 is an equidigital number, since it uses as much as digits as its factorization.

111065606105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22213121226.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 111065606105 in words is "one hundred eleven billion, sixty-five million, six hundred six thousand, one hundred five".