111618242 has 8 divisors (see below), whose sum is σ = 167791932. Its totient is φ = 55687600.

The previous prime is 111618167. The next prime is 111618271. The reversal of 111618242 is 242816111.

It can be written as a sum of positive squares in 2 ways, for example, as 111534721 + 83521 = 10561^2 + 289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59609 + ... + 61452.

Almost surely, 2^111618242 is an apocalyptic number.

111618242 is a deficient number, since it is larger than the sum of its proper divisors (56173690).

111618242 is a wasteful number, since it uses less digits than its factorization.

111618242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121524.

The product of its digits is 768, while the sum is 26.

The square root of 111618242 is about 10564.9534783642. The cubic root of 111618242 is about 481.4801561280.

The spelling of 111618242 in words is "one hundred eleven million, six hundred eighteen thousand, two hundred forty-two".