118913455 has 4 divisors (see below), whose sum is σ = 142696152. Its totient is φ = 95130760.

The previous prime is 118913437. The next prime is 118913467. The reversal of 118913455 is 554319811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554319811 = 2719 ⋅203869.

It is not a de Polignac number, because 118913455 - 2¹¹ = 118911407 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, 11891341 + ... + 11891350.

It is an arithmetic number, because the mean of its divisors is an integer number (35674038).

Almost surely, 2^118913455 is an apocalyptic number.

118913455 is a deficient number, since it is larger than the sum of its proper divisors (23782697).

118913455 is an equidigital number, since it uses as much as digits as its factorization.

118913455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23782696.

The product of its digits is 21600, while the sum is 37.

The square root of 118913455 is about 10904.7446095725. The cubic root of 118913455 is about 491.7492043118.

The spelling of 118913455 in words is "one hundred eighteen million, nine hundred thirteen thousand, four hundred fifty-five".