115489869616 has 80 divisors (see below), whose sum is σ = 245762270208. Its totient is φ = 52139808000.

The previous prime is 115489869601. The next prime is 115489869619. The reversal of 115489869616 is 616968984511.

It is not an unprimeable number, because it can be changed into a prime (115489869619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18325666 + ... + 18331966.

Almost surely, 2^115489869616 is an apocalyptic number.

115489869616 is a gapful number since it is divisible by the number (16) 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 115489869616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122881135104).

115489869616 is an abundant number, since it is smaller than the sum of its proper divisors (130272400592).

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

115489869616 is a wasteful number, since it uses less digits than its factorization.

115489869616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 7004 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 64.

The spelling of 115489869616 in words is "one hundred fifteen billion, four hundred eighty-nine million, eight hundred sixty-nine thousand, six hundred sixteen".