118216055 has 8 divisors (see below), whose sum is σ = 141918000. Its totient is φ = 94533696.

The previous prime is 118216039. The next prime is 118216097. The reversal of 118216055 is 550612811.

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

It is a cyclic number.

It is not a de Polignac number, because 118216055 - 2⁴ = 118216039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18971 + ... + 24419.

It is an arithmetic number, because the mean of its divisors is an integer number (17739750).

Almost surely, 2^118216055 is an apocalyptic number.

118216055 is a deficient number, since it is larger than the sum of its proper divisors (23701945).

118216055 is an equidigital number, since it uses as much as digits as its factorization.

118216055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 118216055 is about 10872.7206806760. The cubic root of 118216055 is about 490.7859869284.

Adding to 118216055 its reverse (550612811), we get a palindrome (668828866).

The spelling of 118216055 in words is "one hundred eighteen million, two hundred sixteen thousand, fifty-five".