117121643068 has 48 divisors (see below), whose sum is σ = 207885000960. Its totient is φ = 57733801344.

The previous prime is 117121643059. The next prime is 117121643071. The reversal of 117121643068 is 860346121711.

It is a self number, because there is not a number n which added to its sum of digits gives 117121643068.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44045923 + ... + 44048581.

It is an arithmetic number, because the mean of its divisors is an integer number (4330937520).

Almost surely, 2^117121643068 is an apocalyptic number.

It is an amenable number.

117121643068 is a deficient number, since it is larger than the sum of its proper divisors (90763357892).

117121643068 is a wasteful number, since it uses less digits than its factorization.

117121643068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 3344 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

Adding to 117121643068 its reverse (860346121711), we get a palindrome (977467764779).

The spelling of 117121643068 in words is "one hundred seventeen billion, one hundred twenty-one million, six hundred forty-three thousand, sixty-eight".