112403005565 has 4 divisors (see below), whose sum is σ = 134883606684. Its totient is φ = 89922404448.

The previous prime is 112403005549. The next prime is 112403005567. The reversal of 112403005565 is 565500304211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565500304211 = 937 ⋅603522203.

It can be written as a sum of positive squares in 2 ways, for example, as 38311798756 + 74091206809 = 195734^2 + 272197^2 .

It is a cyclic number.

It is not a de Polignac number, because 112403005565 - 2⁴ = 112403005549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112403005567) 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, 11240300552 + ... + 11240300561.

It is an arithmetic number, because the mean of its divisors is an integer number (33720901671).

Almost surely, 2^112403005565 is an apocalyptic number.

It is an amenable number.

112403005565 is a deficient number, since it is larger than the sum of its proper divisors (22480601119).

112403005565 is an equidigital number, since it uses as much as digits as its factorization.

112403005565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22480601118.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 112403005565 its reverse (565500304211), we get a palindrome (677903309776).

The spelling of 112403005565 in words is "one hundred twelve billion, four hundred three million, five thousand, five hundred sixty-five".