115108882728 has 96 divisors (see below), whose sum is σ = 335337566400. Its totient is φ = 32831059968.

The previous prime is 115108882709. The next prime is 115108882741. The reversal of 115108882728 is 827288801511.

It is a Cunningham number, because it is equal to 339277²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 593733 + ... + 763371.

It is an arithmetic number, because the mean of its divisors is an integer number (3493099650).

Almost surely, 2^115108882728 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 115108882728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167668783200).

115108882728 is an abundant number, since it is smaller than the sum of its proper divisors (220228683672).

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

115108882728 is a wasteful number, since it uses less digits than its factorization.

115108882728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170239 (or 170228 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 51.

The spelling of 115108882728 in words is "one hundred fifteen billion, one hundred eight million, eight hundred eighty-two thousand, seven hundred twenty-eight".