118705218387 has 32 divisors (see below), whose sum is σ = 191012881920. Its totient is φ = 64056096000.

The previous prime is 118705218377. The next prime is 118705218413. The reversal of 118705218387 is 783812507811.

It is a happy number.

It is not a de Polignac number, because 118705218387 - 2⁸ = 118705218131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118705218337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350364 + ... + 600137.

It is an arithmetic number, because the mean of its divisors is an integer number (5969152560).

Almost surely, 2^118705218387 is an apocalyptic number.

118705218387 is a deficient number, since it is larger than the sum of its proper divisors (72307663533).

118705218387 is a wasteful number, since it uses less digits than its factorization.

118705218387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950843.

The product of its (nonzero) digits is 752640, while the sum is 51.

The spelling of 118705218387 in words is "one hundred eighteen billion, seven hundred five million, two hundred eighteen thousand, three hundred eighty-seven".