118108638465480 has 640 divisors, whose sum is σ = 431980199370720. Its totient is φ = 28769916026880.

The previous prime is 118108638465439. The next prime is 118108638465487. The reversal of 118108638465480 is 84564836801811.

It is a happy number.

118108638465480 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 0 + 8 + 6 + 3 + 84 + 6 + 548 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 4976441870436 + 113132196595044 = 2230794^2 + 10636362^2 .

It is a super-3 number, since 3×118108638465480³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (118108638465487) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3050858604 + ... + 3050897316.

Almost surely, 2^{118108638465480} is an apocalyptic number.

118108638465480 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 118108638465480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215990099685360).

118108638465480 is an abundant number, since it is smaller than the sum of its proper divisors (313871560905240).

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

118108638465480 is a wasteful number, since it uses less digits than its factorization.

118108638465480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39503 (or 39490 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 63.

The spelling of 118108638465480 in words is "one hundred eighteen trillion, one hundred eight billion, six hundred thirty-eight million, four hundred sixty-five thousand, four hundred eighty".