117825722880 has 160 divisors (see below), whose sum is σ = 377472268800. Its totient is φ = 31353618432.

The previous prime is 117825722867. The next prime is 117825722881. The reversal of 117825722880 is 88227528711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (117825722881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3662706 + ... + 3694734.

It is an arithmetic number, because the mean of its divisors is an integer number (2359201680).

Almost surely, 2^117825722880 is an apocalyptic number.

117825722880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117825722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188736134400).

117825722880 is an abundant number, since it is smaller than the sum of its proper divisors (259646545920).

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

117825722880 is an equidigital number, since it uses as much as digits as its factorization.

117825722880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32534 (or 32518 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 51.

The spelling of 117825722880 in words is "one hundred seventeen billion, eight hundred twenty-five million, seven hundred twenty-two thousand, eight hundred eighty".