115788113280 has 960 divisors, whose sum is σ = 487943438400. Its totient is φ = 26085556224.

The previous prime is 115788113213. The next prime is 115788113339. The reversal of 115788113280 is 82311887511.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-2 number, since 2×115788113280² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 200672352 + ... + 200672928.

It is an arithmetic number, because the mean of its divisors is an integer number (508274415).

Almost surely, 2^115788113280 is an apocalyptic number.

115788113280 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 115788113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243971719200).

115788113280 is an abundant number, since it is smaller than the sum of its proper divisors (372155325120).

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

115788113280 is an equidigital number, since it uses as much as digits as its factorization.

115788113280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 45.

The spelling of 115788113280 in words is "one hundred fifteen billion, seven hundred eighty-eight million, one hundred thirteen thousand, two hundred eighty".