115232720438784 has 320 divisors, whose sum is σ = 345198083408640. Its totient is φ = 33913634979840.

The previous prime is 115232720438753. The next prime is 115232720438819. The reversal of 115232720438784 is 487834027232511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61030819 + ... + 62890589.

It is an arithmetic number, because the mean of its divisors is an integer number (1078744010652).

Almost surely, 2^{115232720438784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115232720438784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172599041704320).

115232720438784 is an abundant number, since it is smaller than the sum of its proper divisors (229965362969856).

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

115232720438784 is a wasteful number, since it uses less digits than its factorization.

115232720438784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859941 (or 1859925 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 115232720438784 in words is "one hundred fifteen trillion, two hundred thirty-two billion, seven hundred twenty million, four hundred thirty-eight thousand, seven hundred eighty-four".