117180243856 has 135 divisors (see below), whose sum is σ = 255740808531. Its totient is φ = 51988215552.

The previous prime is 117180243727. The next prime is 117180243923. The reversal of 117180243856 is 658342081711.

The square root of 117180243856 is 342316.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 15025856400 + 102154387456 = 122580^2 + 319616^2 .

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 516212415 + ... + 516212641.

Almost surely, 2^117180243856 is an apocalyptic number.

117180243856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

117180243856 is the 342316-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117180243856

117180243856 is an abundant number, since it is smaller than the sum of its proper divisors (138560564675).

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

117180243856 is an equidigital number, since it uses as much as digits as its factorization.

117180243856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 117180243856 in words is "one hundred seventeen billion, one hundred eighty million, two hundred forty-three thousand, eight hundred fifty-six".