112641565 has 4 divisors (see below), whose sum is σ = 135169884. Its totient is φ = 90113248.

The previous prime is 112641559. The next prime is 112641577. The reversal of 112641565 is 565146211.

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 22524516 + 90117049 = 4746^2 + 9493^2 .

It is a cyclic number.

It is not a de Polignac number, because 112641565 - 2⁵ = 112641533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent 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, 11264152 + ... + 11264161.

It is an arithmetic number, because the mean of its divisors is an integer number (33792471).

Almost surely, 2^112641565 is an apocalyptic number.

It is an amenable number.

112641565 is a deficient number, since it is larger than the sum of its proper divisors (22528319).

112641565 is an equidigital number, since it uses as much as digits as its factorization.

112641565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22528318.

The product of its digits is 7200, while the sum is 31.

The square root of 112641565 is about 10613.2730578272. The cubic root of 112641565 is about 482.9470955833.

Adding to 112641565 its reverse (565146211), we get a palindrome (677787776).

The spelling of 112641565 in words is "one hundred twelve million, six hundred forty-one thousand, five hundred sixty-five".