111060665 has 4 divisors (see below), whose sum is σ = 133272804. Its totient is φ = 88848528.

The previous prime is 111060661. The next prime is 111060679. The reversal of 111060665 is 566060111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566060111 = 499 ⋅1134389.

It can be written as a sum of positive squares in 2 ways, for example, as 43771456 + 67289209 = 6616^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 111060665 - 2² = 111060661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111060661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106062 + ... + 11106071.

It is an arithmetic number, because the mean of its divisors is an integer number (33318201).

Almost surely, 2^111060665 is an apocalyptic number.

It is an amenable number.

111060665 is a deficient number, since it is larger than the sum of its proper divisors (22212139).

111060665 is an equidigital number, since it uses as much as digits as its factorization.

111060665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212138.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 111060665 is about 10538.5323930802. The cubic root of 111060665 is about 480.6770898735.

The spelling of 111060665 in words is "one hundred eleven million, sixty thousand, six hundred sixty-five".