115799438720 has 384 divisors, whose sum is σ = 330656256000. Its totient is φ = 37981052928.

The previous prime is 115799438647. The next prime is 115799438731. The reversal of 115799438720 is 27834997511.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 484516361 + ... + 484516599.

It is an arithmetic number, because the mean of its divisors is an integer number (861084000).

Almost surely, 2^115799438720 is an apocalyptic number.

115799438720 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 115799438720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165328128000).

115799438720 is an abundant number, since it is smaller than the sum of its proper divisors (214856817280).

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

115799438720 is an equidigital number, since it uses as much as digits as its factorization.

115799438720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 115799438720 in words is "one hundred fifteen billion, seven hundred ninety-nine million, four hundred thirty-eight thousand, seven hundred twenty".