117143517568 has 192 divisors, whose sum is σ = 309033169920. Its totient is φ = 43655377920.

The previous prime is 117143517527. The next prime is 117143517571. The reversal of 117143517568 is 865715341711.

117143517568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549905 + ... + 1623727.

It is an arithmetic number, because the mean of its divisors is an integer number (1609547760).

Almost surely, 2^117143517568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117143517568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154516584960).

117143517568 is an abundant number, since it is smaller than the sum of its proper divisors (191889652352).

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

117143517568 is a wasteful number, since it uses less digits than its factorization.

117143517568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73885 (or 73866 counting only the distinct ones).

The product of its digits is 705600, while the sum is 49.

The spelling of 117143517568 in words is "one hundred seventeen billion, one hundred forty-three million, five hundred seventeen thousand, five hundred sixty-eight".