111813162 has 8 divisors (see below), whose sum is σ = 223626336. Its totient is φ = 37271052.

The previous prime is 111813137. The next prime is 111813173. The reversal of 111813162 is 261318111.

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

111813162 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9317758 + ... + 9317769.

It is an arithmetic number, because the mean of its divisors is an integer number (27953292).

Almost surely, 2^111813162 is an apocalyptic number.

111813162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111813162 is a wasteful number, since it uses less digits than its factorization.

111813162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635532.

The product of its digits is 288, while the sum is 24.

The square root of 111813162 is about 10574.1742940052. The cubic root of 111813162 is about 481.7602642681.

The spelling of 111813162 in words is "one hundred eleven million, eight hundred thirteen thousand, one hundred sixty-two".