117450934128 has 180 divisors, whose sum is σ = 378449101368. Its totient is φ = 33717807360.

The previous prime is 117450934121. The next prime is 117450934157. The reversal of 117450934128 is 821439054711.

117450934128 is a `hidden beast` number, since 1 + 17 + 4 + 509 + 3 + 4 + 128 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117450934121) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 469126 + ... + 674522.

Almost surely, 2^117450934128 is an apocalyptic number.

117450934128 is a gapful number since it is divisible by the number (18) 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 117450934128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189224550684).

117450934128 is an abundant number, since it is smaller than the sum of its proper divisors (260998167240).

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

117450934128 is a wasteful number, since it uses less digits than its factorization.

117450934128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205460 (or 205432 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

Adding to 117450934128 its reverse (821439054711), we get a palindrome (938889988839).

The spelling of 117450934128 in words is "one hundred seventeen billion, four hundred fifty million, nine hundred thirty-four thousand, one hundred twenty-eight".