118006550 has 12 divisors (see below), whose sum is σ = 219492276. Its totient is φ = 47202600.

The previous prime is 118006543. The next prime is 118006573. The reversal of 118006550 is 55600811.

It is a Curzon number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 1180016 + ... + 1180115.

It is an arithmetic number, because the mean of its divisors is an integer number (18291023).

Almost surely, 2^118006550 is an apocalyptic number.

118006550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118006550 is a deficient number, since it is larger than the sum of its proper divisors (101485726).

118006550 is a wasteful number, since it uses less digits than its factorization.

118006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360143 (or 2360138 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 118006550 is about 10863.0819752039. The cubic root of 118006550 is about 490.4958883761.

The spelling of 118006550 in words is "one hundred eighteen million, six thousand, five hundred fifty".