111485443 has 4 divisors (see below), whose sum is σ = 111535408. Its totient is φ = 111435480.

The previous prime is 111485441. The next prime is 111485459. The reversal of 111485443 is 344584111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344584111 = 53 ⋅6501587.

It is a cyclic number.

It is not a de Polignac number, because 111485443 - 2¹ = 111485441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111485441) 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, 21471 + ... + 26152.

It is an arithmetic number, because the mean of its divisors is an integer number (27883852).

Almost surely, 2^111485443 is an apocalyptic number.

111485443 is a deficient number, since it is larger than the sum of its proper divisors (49965).

111485443 is an equidigital number, since it uses as much as digits as its factorization.

111485443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49964.

The product of its digits is 7680, while the sum is 31.

The square root of 111485443 is about 10558.6667245443. Note that the first 3 decimals coincide. The cubic root of 111485443 is about 481.2891316243.

The spelling of 111485443 in words is "one hundred eleven million, four hundred eighty-five thousand, four hundred forty-three".