117121412568 has 128 divisors (see below), whose sum is σ = 310055846400. Its totient is φ = 36765425664.

The previous prime is 117121412561. The next prime is 117121412591. The reversal of 117121412568 is 865214121711.

It is a happy number.

117121412568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117121412561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72881221 + ... + 72882827.

It is an arithmetic number, because the mean of its divisors is an integer number (2422311300).

Almost surely, 2^117121412568 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 117121412568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155027923200).

117121412568 is an abundant number, since it is smaller than the sum of its proper divisors (192934433832).

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

117121412568 is a wasteful number, since it uses less digits than its factorization.

117121412568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2485 counting only the distinct ones).

The product of its digits is 26880, while the sum is 39.

The spelling of 117121412568 in words is "one hundred seventeen billion, one hundred twenty-one million, four hundred twelve thousand, five hundred sixty-eight".