111004043 has 4 divisors (see below), whose sum is σ = 111585408. Its totient is φ = 110422680.

The previous prime is 111004037. The next prime is 111004057. The reversal of 111004043 is 340400111.

It is a happy number.

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 111004043 - 2¹⁶ = 110938507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111004013) 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, 290396 + ... + 290777.

It is an arithmetic number, because the mean of its divisors is an integer number (27896352).

Almost surely, 2^111004043 is an apocalyptic number.

111004043 is a deficient number, since it is larger than the sum of its proper divisors (581365).

111004043 is an equidigital number, since it uses as much as digits as its factorization.

111004043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581364.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111004043 is about 10535.8456233945. The cubic root of 111004043 is about 480.5953882053.

Adding to 111004043 its reverse (340400111), we get a palindrome (451404154).

The spelling of 111004043 in words is "one hundred eleven million, four thousand, forty-three".