111445113 has 8 divisors (see below), whose sum is σ = 160023808. Its totient is φ = 68581584.

The previous prime is 111445069. The next prime is 111445129. The reversal of 111445113 is 311544111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111445113 - 2⁶ = 111445049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111445113.

It is not an unprimeable number, because it can be changed into a prime (111445153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428745 + ... + 1428822.

It is an arithmetic number, because the mean of its divisors is an integer number (20002976).

Almost surely, 2^111445113 is an apocalyptic number.

111445113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111445113 is a deficient number, since it is larger than the sum of its proper divisors (48578695).

111445113 is a wasteful number, since it uses less digits than its factorization.

111445113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857583.

The product of its digits is 240, while the sum is 21.

The square root of 111445113 is about 10556.7567462739. The cubic root of 111445113 is about 481.2310889741.

Adding to 111445113 its reverse (311544111), we get a palindrome (422989224).

The spelling of 111445113 in words is "one hundred eleven million, four hundred forty-five thousand, one hundred thirteen".