111544426 has 8 divisors (see below), whose sum is σ = 191219040. Its totient is φ = 47804748.

The previous prime is 111544423. The next prime is 111544427. The reversal of 111544426 is 624445111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111544394 and 111544403.

It is not an unprimeable number, because it can be changed into a prime (111544423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983716 + ... + 3983743.

It is an arithmetic number, because the mean of its divisors is an integer number (23902380).

Almost surely, 2^111544426 is an apocalyptic number.

111544426 is a deficient number, since it is larger than the sum of its proper divisors (79674614).

111544426 is an equidigital number, since it uses as much as digits as its factorization.

111544426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967468.

The product of its digits is 3840, while the sum is 28.

The square root of 111544426 is about 10561.4594635401. The cubic root of 111544426 is about 481.3739943389.

Adding to 111544426 its reverse (624445111), we get a palindrome (735989537).

The spelling of 111544426 in words is "one hundred eleven million, five hundred forty-four thousand, four hundred twenty-six".