43113112663 has 4 divisors (see below), whose sum is σ = 43557577840. Its totient is φ = 42668647488.

The previous prime is 43113112561. The next prime is 43113112681. The reversal of 43113112663 is 36621131134.

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

It is a cyclic number.

It is not a de Polignac number, because 43113112663 - 2¹³ = 43113104471 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 (43113142663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222232443 + ... + 222232636.

It is an arithmetic number, because the mean of its divisors is an integer number (10889394460).

Almost surely, 2^43113112663 is an apocalyptic number.

43113112663 is a deficient number, since it is larger than the sum of its proper divisors (444465177).

43113112663 is an equidigital number, since it uses as much as digits as its factorization.

43113112663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444465176.

The product of its digits is 7776, while the sum is 31.

Adding to 43113112663 its reverse (36621131134), we get a palindrome (79734243797).

The spelling of 43113112663 in words is "forty-three billion, one hundred thirteen million, one hundred twelve thousand, six hundred sixty-three".