111689742118 has 8 divisors (see below), whose sum is σ = 167744822112. Its totient is φ = 55774801416.

The previous prime is 111689742113. The next prime is 111689742121. The reversal of 111689742118 is 811247986111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111689742113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35032830 + ... + 35036017.

It is an arithmetic number, because the mean of its divisors is an integer number (20968102764).

Almost surely, 2^111689742118 is an apocalyptic number.

111689742118 is a deficient number, since it is larger than the sum of its proper divisors (56055079994).

111689742118 is an equidigital number, since it uses as much as digits as its factorization.

111689742118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70069646.

The product of its digits is 193536, while the sum is 49.

The spelling of 111689742118 in words is "one hundred eleven billion, six hundred eighty-nine million, seven hundred forty-two thousand, one hundred eighteen".