118437280505 has 8 divisors (see below), whose sum is σ = 142131249600. Its totient is φ = 94745482416.

The previous prime is 118437280499. The next prime is 118437280513. The reversal of 118437280505 is 505082734811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118437280505 - 2⁸ = 118437280249 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420215 + ... + 643004.

It is an arithmetic number, because the mean of its divisors is an integer number (17766406200).

Almost surely, 2^118437280505 is an apocalyptic number.

It is an amenable number.

118437280505 is a deficient number, since it is larger than the sum of its proper divisors (23693969095).

118437280505 is a wasteful number, since it uses less digits than its factorization.

118437280505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085503.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 118437280505 in words is "one hundred eighteen billion, four hundred thirty-seven million, two hundred eighty thousand, five hundred five".