111163641443 has 4 divisors (see below), whose sum is σ = 111624901608. Its totient is φ = 110702381280.

The previous prime is 111163641437. The next prime is 111163641499. The reversal of 111163641443 is 344146361111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111163641443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111163643443) 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, 230629721 + ... + 230630202.

It is an arithmetic number, because the mean of its divisors is an integer number (27906225402).

Almost surely, 2^111163641443 is an apocalyptic number.

111163641443 is a deficient number, since it is larger than the sum of its proper divisors (461260165).

111163641443 is an equidigital number, since it uses as much as digits as its factorization.

111163641443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461260164.

The product of its digits is 20736, while the sum is 35.

The spelling of 111163641443 in words is "one hundred eleven billion, one hundred sixty-three million, six hundred forty-one thousand, four hundred forty-three".