115992366819840 has 960 divisors, whose sum is σ = 483212976390144. Its totient is φ = 26116765728768.

The previous prime is 115992366819799. The next prime is 115992366819859. The reversal of 115992366819840 is 48918663299511.

115992366819840 is a `hidden beast` number, since 1 + 1 + 59 + 92 + 366 + 8 + 1 + 98 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 291556737 + ... + 291954303.

Almost surely, 2^{115992366819840} is an apocalyptic number.

115992366819840 is a gapful number since it is divisible by the number (10) 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 115992366819840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241606488195072).

115992366819840 is an abundant number, since it is smaller than the sum of its proper divisors (367220609570304).

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

115992366819840 is an frugal number, since it uses more digits than its factorization.

115992366819840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397679 (or 397651 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 72.

The spelling of 115992366819840 in words is "one hundred fifteen trillion, nine hundred ninety-two billion, three hundred sixty-six million, eight hundred nineteen thousand, eight hundred forty".