111643141663 has 8 divisors (see below), whose sum is σ = 113755630176. Its totient is φ = 109530876000.

The previous prime is 111643141613. The next prime is 111643141711. The reversal of 111643141663 is 366141346111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111643141663 - 2⁹ = 111643141151 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 (111643141613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236393 + ... + 1323613.

It is an arithmetic number, because the mean of its divisors is an integer number (14219453772).

Almost surely, 2^111643141663 is an apocalyptic number.

111643141663 is a deficient number, since it is larger than the sum of its proper divisors (2112488513).

111643141663 is an equidigital number, since it uses as much as digits as its factorization.

111643141663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111425.

The product of its digits is 31104, while the sum is 37.

Adding to 111643141663 its reverse (366141346111), we get a palindrome (477784487774).

The spelling of 111643141663 in words is "one hundred eleven billion, six hundred forty-three million, one hundred forty-one thousand, six hundred sixty-three".