118340015 has 4 divisors (see below), whose sum is σ = 142008024. Its totient is φ = 94672008.

The previous prime is 118340003. The next prime is 118340021. The reversal of 118340015 is 510043811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510043811 = 127 ⋅4016093.

It is a cyclic number.

It is not a de Polignac number, because 118340015 - 2⁶ = 118339951 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 11833997 + ... + 11834006.

It is an arithmetic number, because the mean of its divisors is an integer number (35502006).

Almost surely, 2^118340015 is an apocalyptic number.

118340015 is a deficient number, since it is larger than the sum of its proper divisors (23668009).

118340015 is an equidigital number, since it uses as much as digits as its factorization.

118340015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23668008.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 118340015 is about 10878.4196922163. The cubic root of 118340015 is about 490.9574711900.

Adding to 118340015 its reverse (510043811), we get a palindrome (628383826).

The spelling of 118340015 in words is "one hundred eighteen million, three hundred forty thousand, fifteen".