111411 has 6 divisors (see below), whose sum is σ = 160940. Its totient is φ = 74268.

The previous prime is 111409. The next prime is 111427. The reversal of 111411 is 114111.

It is not a de Polignac number, because 111411 - 2¹ = 111409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 12379 = 111411 / (1 + 1 + 1 + 4 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111393 and 111402.

It is not an unprimeable number, because it can be changed into a prime (111431) 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, 6181 + ... + 6198.

2¹¹¹⁴¹¹ is an apocalyptic number.

111411 is a deficient number, since it is larger than the sum of its proper divisors (49529).

111411 is a wasteful number, since it uses less digits than its factorization.

111411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385 (or 12382 counting only the distinct ones).

The product of its digits is 4, while the sum is 9.

The square root of 111411 is about 333.7828635505. The cubic root of 111411 is about 48.1181982854.

Adding to 111411 its reverse (114111), we get a palindrome (225522).

The spelling of 111411 in words is "one hundred eleven thousand, four hundred eleven", and thus it is an iban number.