118000005 has 32 divisors (see below), whose sum is σ = 197683200. Its totient is φ = 59991360.

The previous prime is 117999983. The next prime is 118000063. The reversal of 118000005 is 500000811.

It is a happy number.

It is not a de Polignac number, because 118000005 - 2¹⁵ = 117967237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196696 + ... + 197294.

It is an arithmetic number, because the mean of its divisors is an integer number (6177600).

Almost surely, 2^118000005 is an apocalyptic number.

118000005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118000005 is a deficient number, since it is larger than the sum of its proper divisors (79683195).

118000005 is a wasteful number, since it uses less digits than its factorization.

118000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 118000005 is about 10862.7807213439. The cubic root of 118000005 is about 490.4868200802.

Adding to 118000005 its reverse (500000811), we get a palindrome (618000816).

The spelling of 118000005 in words is "one hundred eighteen million, five", and thus it is an aban number.