118372315 has 4 divisors (see below), whose sum is σ = 142046784. Its totient is φ = 94697848.

The previous prime is 118372313. The next prime is 118372333. The reversal of 118372315 is 513273811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513273811 = 7393 ⋅69427.

It is a cyclic number.

It is not a de Polignac number, because 118372315 - 2¹ = 118372313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118372313) by changing a digit.

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, 11837227 + ... + 11837236.

It is an arithmetic number, because the mean of its divisors is an integer number (35511696).

Almost surely, 2^118372315 is an apocalyptic number.

118372315 is a deficient number, since it is larger than the sum of its proper divisors (23674469).

118372315 is an equidigital number, since it uses as much as digits as its factorization.

118372315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23674468.

The product of its digits is 5040, while the sum is 31.

The square root of 118372315 is about 10879.9041815634. The cubic root of 118372315 is about 491.0021348195.

The spelling of 118372315 in words is "one hundred eighteen million, three hundred seventy-two thousand, three hundred fifteen".