115619040784 has 75 divisors (see below), whose sum is σ = 243162317723. Its totient is φ = 53256545472.

The previous prime is 115619040773. The next prime is 115619040793. The reversal of 115619040784 is 487040916511.

The square root of 115619040784 is 340028.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57325767184 + 58293273600 = 239428^2 + 241440^2 .

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 14 ways as a sum of consecutive naturals, for example, 229858677 + ... + 229859179.

Almost surely, 2^115619040784 is an apocalyptic number.

115619040784 is the 340028-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115619040784

115619040784 is an abundant number, since it is smaller than the sum of its proper divisors (127543276939).

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

115619040784 is an frugal number, since it uses more digits than its factorization.

115619040784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 115619040784 in words is "one hundred fifteen billion, six hundred nineteen million, forty thousand, seven hundred eighty-four".