111113345 has 32 divisors (see below), whose sum is σ = 161021952. Its totient is φ = 71957952.

The previous prime is 111113329. The next prime is 111113347. The reversal of 111113345 is 543311111.

It is a cyclic number.

It is not a de Polignac number, because 111113345 - 2⁴ = 111113329 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111113347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65984 + ... + 67646.

It is an arithmetic number, because the mean of its divisors is an integer number (5031936).

Almost surely, 2^111113345 is an apocalyptic number.

It is an amenable number.

111113345 is a deficient number, since it is larger than the sum of its proper divisors (49908607).

111113345 is a wasteful number, since it uses less digits than its factorization.

111113345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its digits is 180, while the sum is 20.

The square root of 111113345 is about 10541.0314960159. The cubic root of 111113345 is about 480.7530785728.

Adding to 111113345 its reverse (543311111), we get a palindrome (654424456).

The spelling of 111113345 in words is "one hundred eleven million, one hundred thirteen thousand, three hundred forty-five".