111226745563 has 4 divisors (see below), whose sum is σ = 117769495320. Its totient is φ = 104683995808.

The previous prime is 111226745549. The next prime is 111226745569. The reversal of 111226745563 is 365547622111.

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 111226745563 - 2²¹ = 111224648411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111226745569) 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, 3271374853 + ... + 3271374886.

It is an arithmetic number, because the mean of its divisors is an integer number (29442373830).

Almost surely, 2^111226745563 is an apocalyptic number.

111226745563 is a deficient number, since it is larger than the sum of its proper divisors (6542749757).

111226745563 is an equidigital number, since it uses as much as digits as its factorization.

111226745563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542749756.

The product of its digits is 302400, while the sum is 43.

The spelling of 111226745563 in words is "one hundred eleven billion, two hundred twenty-six million, seven hundred forty-five thousand, five hundred sixty-three".