117243511752 has 16 divisors (see below), whose sum is σ = 293108779440. Its totient is φ = 39081170576.

The previous prime is 117243511739. The next prime is 117243511753. The reversal of 117243511752 is 257115342711.

It is a self number, because there is not a number n which added to its sum of digits gives 117243511752.

It is not an unprimeable number, because it can be changed into a prime (117243511753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442573138 + ... + 2442573185.

It is an arithmetic number, because the mean of its divisors is an integer number (18319298715).

Almost surely, 2^117243511752 is an apocalyptic number.

117243511752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117243511752 is an abundant number, since it is smaller than the sum of its proper divisors (175865267688).

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

117243511752 is a wasteful number, since it uses less digits than its factorization.

117243511752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885146332 (or 4885146328 counting only the distinct ones).

The product of its digits is 58800, while the sum is 39.

The spelling of 117243511752 in words is "one hundred seventeen billion, two hundred forty-three million, five hundred eleven thousand, seven hundred fifty-two".