111445041 has 16 divisors (see below), whose sum is σ = 151531200. Its totient is φ = 72835008.

The previous prime is 111445039. The next prime is 111445049. The reversal of 111445041 is 140544111.

It is not a de Polignac number, because 111445041 - 2¹ = 111445039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111444999 and 111445017.

It is not an unprimeable number, because it can be changed into a prime (111445049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89475 + ... + 90711.

It is an arithmetic number, because the mean of its divisors is an integer number (9470700).

Almost surely, 2^111445041 is an apocalyptic number.

It is an amenable number.

111445041 is a deficient number, since it is larger than the sum of its proper divisors (40086159).

111445041 is a wasteful number, since it uses less digits than its factorization.

111445041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 111445041 is about 10556.7533361351. The cubic root of 111445041 is about 481.2309853397.

Adding to 111445041 its reverse (140544111), we get a palindrome (251989152).

The spelling of 111445041 in words is "one hundred eleven million, four hundred forty-five thousand, forty-one".