115985238720 has 224 divisors, whose sum is σ = 397136526528. Its totient is φ = 28510175232.

The previous prime is 115985238713. The next prime is 115985238727. The reversal of 115985238720 is 27832589511.

It is an interprime number because it is at equal distance from previous prime (115985238713) and next prime (115985238727).

It is not an unprimeable number, because it can be changed into a prime (115985238727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9441222 + ... + 9453498.

It is an arithmetic number, because the mean of its divisors is an integer number (1772930922).

Almost surely, 2^115985238720 is an apocalyptic number.

115985238720 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 115985238720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198568263264).

115985238720 is an abundant number, since it is smaller than the sum of its proper divisors (281151287808).

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

115985238720 is a wasteful number, since it uses less digits than its factorization.

115985238720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13067 (or 13057 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 115985238720 in words is "one hundred fifteen billion, nine hundred eighty-five million, two hundred thirty-eight thousand, seven hundred twenty".