118621186466240 has 112 divisors (see below), whose sum is σ = 286552207509120. Its totient is φ = 46764924011520.

The previous prime is 118621186466191. The next prime is 118621186466249. The reversal of 118621186466240 is 42664681126811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118621186466249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5799095 + ... + 16458185.

It is an arithmetic number, because the mean of its divisors is an integer number (2558501852760).

Almost surely, 2^{118621186466240} is an apocalyptic number.

118621186466240 is a gapful number since it is divisible by the number (10) 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 118621186466240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143276103754560).

118621186466240 is an abundant number, since it is smaller than the sum of its proper divisors (167931021042880).

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

118621186466240 is a wasteful number, since it uses less digits than its factorization.

118621186466240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659610 (or 10659600 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 118621186466240 in words is "one hundred eighteen trillion, six hundred twenty-one billion, one hundred eighty-six million, four hundred sixty-six thousand, two hundred forty".