111357 has 6 divisors (see below), whose sum is σ = 160862. Its totient is φ = 74232.

The previous prime is 111347. The next prime is 111373. The reversal of 111357 is 753111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95481 + 15876 = 309^2 + 126^2 .

It is not a de Polignac number, because 111357 - 2⁴ = 111341 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6178 + ... + 6195.

2¹¹¹³⁵⁷ is an apocalyptic number.

It is an amenable number.

111357 is a deficient number, since it is larger than the sum of its proper divisors (49505).

111357 is a wasteful number, since it uses less digits than its factorization.

111357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379 (or 12376 counting only the distinct ones).

The product of its digits is 105, while the sum is 18.

The square root of 111357 is about 333.7019628351. The cubic root of 111357 is about 48.1104228634.

Adding to 111357 its reverse (753111), we get a palindrome (864468).

The spelling of 111357 in words is "one hundred eleven thousand, three hundred fifty-seven".