111356 has 24 divisors (see below), whose sum is σ = 230496. Its totient is φ = 46080.

The previous prime is 111347. The next prime is 111373. The reversal of 111356 is 653111.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (9604).

2¹¹¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115248).

111356 is an abundant number, since it is smaller than the sum of its proper divisors (119140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111356 is a wasteful number, since it uses less digits than its factorization.

111356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its digits is 90, while the sum is 17.

The square root of 111356 is about 333.7004644887. The cubic root of 111356 is about 48.1102788504.

Adding to 111356 its reverse (653111), we get a palindrome (764467).

The spelling of 111356 in words is "one hundred eleven thousand, three hundred fifty-six".