111118163242 has 8 divisors (see below), whose sum is σ = 166711047876. Its totient is φ = 55547813952.

The previous prime is 111118163227. The next prime is 111118163281. The reversal of 111118163242 is 242361811111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101664684801 + 9453478441 = 318849^2 + 97229^2 .

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, 5621503 + ... + 5641234.

Almost surely, 2^111118163242 is an apocalyptic number.

111118163242 is a deficient number, since it is larger than the sum of its proper divisors (55592884634).

111118163242 is a wasteful number, since it uses less digits than its factorization.

111118163242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267672.

The product of its digits is 2304, while the sum is 31.

Adding to 111118163242 its reverse (242361811111), we get a palindrome (353479974353).

The spelling of 111118163242 in words is "one hundred eleven billion, one hundred eighteen million, one hundred sixty-three thousand, two hundred forty-two".