115649321984 has 176 divisors, whose sum is σ = 271010485248. Its totient is φ = 48298180608.

The previous prime is 115649321971. The next prime is 115649322001. The reversal of 115649321984 is 489123946511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95340962 + ... + 95342174.

Almost surely, 2^115649321984 is an apocalyptic number.

115649321984 is a gapful number since it is divisible by the number (14) 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 115649321984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135505242624).

115649321984 is an abundant number, since it is smaller than the sum of its proper divisors (155361163264).

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

115649321984 is a wasteful number, since it uses less digits than its factorization.

115649321984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1552 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The spelling of 115649321984 in words is "one hundred fifteen billion, six hundred forty-nine million, three hundred twenty-one thousand, nine hundred eighty-four".