115636736418 has 96 divisors (see below), whose sum is σ = 284273664000. Its totient is φ = 30633741216.

The previous prime is 115636736329. The next prime is 115636736429. The reversal of 115636736418 is 814637636511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1729983 + ... + 1795581.

It is an arithmetic number, because the mean of its divisors is an integer number (2961184000).

Almost surely, 2^115636736418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115636736418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142136832000).

115636736418 is an abundant number, since it is smaller than the sum of its proper divisors (168636927582).

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

115636736418 is a wasteful number, since it uses less digits than its factorization.

115636736418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65724 (or 65677 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 115636736418 in words is "one hundred fifteen billion, six hundred thirty-six million, seven hundred thirty-six thousand, four hundred eighteen".