115947072000 has 640 divisors, whose sum is σ = 453638465280. Its totient is φ = 29093068800.

The previous prime is 115947071969. The next prime is 115947072077. The reversal of 115947072000 is 270749511.

It is a happy number.

115947072000 is a `hidden beast` number, since 115 + 9 + 470 + 72 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29374027 + ... + 29377973.

It is an arithmetic number, because the mean of its divisors is an integer number (708810102).

Almost surely, 2^115947072000 is an apocalyptic number.

115947072000 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 115947072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226819232640).

115947072000 is an abundant number, since it is smaller than the sum of its proper divisors (337691393280).

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

115947072000 is an equidigital number, since it uses as much as digits as its factorization.

115947072000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 115947072000 in words is "one hundred fifteen billion, nine hundred forty-seven million, seventy-two thousand".