111243411 has 12 divisors (see below), whose sum is σ = 160778488. Its totient is φ = 74119104.

The previous prime is 111243403. The next prime is 111243413. The reversal of 111243411 is 114342111.

111243411 is a `hidden beast` number, since 1 + 11 + 243 + 411 = 666.

It is not a de Polignac number, because 111243411 - 2³ = 111243403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111243413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23316 + ... + 27678.

Almost surely, 2^111243411 is an apocalyptic number.

111243411 is a deficient number, since it is larger than the sum of its proper divisors (49535077).

111243411 is a wasteful number, since it uses less digits than its factorization.

111243411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202 (or 7199 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 111243411 is about 10547.1992016838. The cubic root of 111243411 is about 480.9405905449.

Adding to 111243411 its reverse (114342111), we get a palindrome (225585522).

It can be divided in two parts, 11124 and 3411, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 111243411 in words is "one hundred eleven million, two hundred forty-three thousand, four hundred eleven".