112311665 has 4 divisors (see below), whose sum is σ = 134774004. Its totient is φ = 89849328.

The previous prime is 112311659. The next prime is 112311701. The reversal of 112311665 is 566113211.

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 87590881 + 24720784 = 9359^2 + 4972^2 .

It is a cyclic number.

It is not a de Polignac number, because 112311665 - 2⁶ = 112311601 is a prime.

It is a super-2 number, since 2×112311665² = 25227820190144450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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, 11231162 + ... + 11231171.

It is an arithmetic number, because the mean of its divisors is an integer number (33693501).

Almost surely, 2^112311665 is an apocalyptic number.

It is an amenable number.

112311665 is a deficient number, since it is larger than the sum of its proper divisors (22462339).

112311665 is an equidigital number, since it uses as much as digits as its factorization.

112311665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22462338.

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

The square root of 112311665 is about 10597.7198019197. The cubic root of 112311665 is about 482.4751559957.

Adding to 112311665 its reverse (566113211), we get a palindrome (678424876).

The spelling of 112311665 in words is "one hundred twelve million, three hundred eleven thousand, six hundred sixty-five".