111041843 has 4 divisors (see below), whose sum is σ = 121136568. Its totient is φ = 100947120.

The previous prime is 111041813. The next prime is 111041857. The reversal of 111041843 is 348140111.

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 111041843 - 2¹⁴ = 111025459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111041813) 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, 5047346 + ... + 5047367.

It is an arithmetic number, because the mean of its divisors is an integer number (30284142).

Almost surely, 2^111041843 is an apocalyptic number.

111041843 is a deficient number, since it is larger than the sum of its proper divisors (10094725).

111041843 is a wasteful number, since it uses less digits than its factorization.

111041843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094724.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 111041843 is about 10537.6393466469. The cubic root of 111041843 is about 480.6499340984.

Adding to 111041843 its reverse (348140111), we get a palindrome (459181954).

The spelling of 111041843 in words is "one hundred eleven million, forty-one thousand, eight hundred forty-three".