118187055 has 48 divisors (see below), whose sum is σ = 234921024. Its totient is φ = 53844480.

The previous prime is 118187029. The next prime is 118187059. The reversal of 118187055 is 550781811.

It is a happy number.

It is not a de Polignac number, because 118187055 - 2⁸ = 118186799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118187059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143545 + ... + 144365.

It is an arithmetic number, because the mean of its divisors is an integer number (4894188).

Almost surely, 2^118187055 is an apocalyptic number.

118187055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118187055 is a deficient number, since it is larger than the sum of its proper divisors (116733969).

118187055 is a wasteful number, since it uses less digits than its factorization.

118187055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 36.

The square root of 118187055 is about 10871.3869860290. The cubic root of 118187055 is about 490.7458514955.

The spelling of 118187055 in words is "one hundred eighteen million, one hundred eighty-seven thousand, fifty-five".