1118917138336 has 96 divisors (see below), whose sum is σ = 2348495106048. Its totient is φ = 523644549120.

The previous prime is 1118917138333. The next prime is 1118917138369. The reversal of 1118917138336 is 6338317198111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1118917138333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6741466 + ... + 6905446.

It is an arithmetic number, because the mean of its divisors is an integer number (24463490688).

Almost surely, 2^{1118917138336} is an apocalyptic number.

1118917138336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118917138336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174247553024).

1118917138336 is an abundant number, since it is smaller than the sum of its proper divisors (1229577967712).

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

1118917138336 is a wasteful number, since it uses less digits than its factorization.

1118917138336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164214 (or 164206 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The spelling of 1118917138336 in words is "one trillion, one hundred eighteen billion, nine hundred seventeen million, one hundred thirty-eight thousand, three hundred thirty-six".