111368 has 8 divisors (see below), whose sum is σ = 208830. Its totient is φ = 55680.

The previous prime is 111347. The next prime is 111373. The reversal of 111368 is 863111.

It can be written as a sum of positive squares in only one way, i.e., 91204 + 20164 = 302^2 + 142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

111368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6953 + ... + 6968.

2¹¹¹³⁶⁸ is an apocalyptic number.

It is an amenable number.

111368 is a deficient number, since it is larger than the sum of its proper divisors (97462).

111368 is a wasteful number, since it uses less digits than its factorization.

111368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927 (or 13923 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 111368 is about 333.7184442011. The cubic root of 111368 is about 48.1120069495.

Adding to 111368 its reverse (863111), we get a palindrome (974479).

The spelling of 111368 in words is "one hundred eleven thousand, three hundred sixty-eight".