115318781418 has 64 divisors (see below), whose sum is σ = 241608407040. Its totient is φ = 36657489792.

The previous prime is 115318781411. The next prime is 115318781441. The reversal of 115318781418 is 814187813511.

115318781418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (115318781411) 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, 5069446 + ... + 5092142.

It is an arithmetic number, because the mean of its divisors is an integer number (3775131360).

Almost surely, 2^115318781418 is an apocalyptic number.

115318781418 is an abundant number, since it is smaller than the sum of its proper divisors (126289625622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115318781418 is a wasteful number, since it uses less digits than its factorization.

115318781418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23211.

The product of its digits is 215040, while the sum is 48.

The spelling of 115318781418 in words is "one hundred fifteen billion, three hundred eighteen million, seven hundred eighty-one thousand, four hundred eighteen".