111843575543 has 8 divisors (see below), whose sum is σ = 131275857312. Its totient is φ = 93274950816.

The previous prime is 111843575537. The next prime is 111843575629. The reversal of 111843575543 is 345575348111.

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 111843575543 - 2⁶ = 111843575479 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 (111843575513) 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 7 ways as a sum of consecutive naturals, for example, 215913980 + ... + 215914497.

It is an arithmetic number, because the mean of its divisors is an integer number (16409482164).

Almost surely, 2^111843575543 is an apocalyptic number.

111843575543 is a deficient number, since it is larger than the sum of its proper divisors (19432281769).

111843575543 is an equidigital number, since it uses as much as digits as its factorization.

111843575543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431828521.

The product of its digits is 1008000, while the sum is 47.

The spelling of 111843575543 in words is "one hundred eleven billion, eight hundred forty-three million, five hundred seventy-five thousand, five hundred forty-three".