111656304544163 has 4 divisors (see below), whose sum is σ = 113069675487840. Its totient is φ = 110242933600488.

The previous prime is 111656304544111. The next prime is 111656304544177. The reversal of 111656304544163 is 361445403656111.

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 111656304544163 - 2¹⁰ = 111656304543139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111656304544363) 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, 706685471720 + ... + 706685471877.

It is an arithmetic number, because the mean of its divisors is an integer number (28267418871960).

Almost surely, 2^{111656304544163} is an apocalyptic number.

111656304544163 is a deficient number, since it is larger than the sum of its proper divisors (1413370943677).

111656304544163 is an equidigital number, since it uses as much as digits as its factorization.

111656304544163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413370943676.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 111656304544163 in words is "one hundred eleven trillion, six hundred fifty-six billion, three hundred four million, five hundred forty-four thousand, one hundred sixty-three".