111816041 has 4 divisors (see below), whose sum is σ = 116677632. Its totient is φ = 106954452.

The previous prime is 111816031. The next prime is 111816049. The reversal of 111816041 is 140618111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111816041 - 2¹⁴ = 111799657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4861567 = 111816041 / (1 + 1 + 1 + 8 + 1 + 6 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111815998 and 111816016.

It is not an unprimeable number, because it can be changed into a prime (111816049) 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, 2430761 + ... + 2430806.

It is an arithmetic number, because the mean of its divisors is an integer number (29169408).

Almost surely, 2^111816041 is an apocalyptic number.

It is an amenable number.

111816041 is a deficient number, since it is larger than the sum of its proper divisors (4861591).

111816041 is an equidigital number, since it uses as much as digits as its factorization.

111816041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861590.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 111816041 is about 10574.3104266898. The cubic root of 111816041 is about 481.7643990703.

The spelling of 111816041 in words is "one hundred eleven million, eight hundred sixteen thousand, forty-one".