115939853280 has 192 divisors, whose sum is σ = 411505920000. Its totient is φ = 30481758720.

The previous prime is 115939853233. The next prime is 115939853299. The reversal of 115939853280 is 82358939511.

115939853280 is a `hidden beast` number, since 1 + 15 + 9 + 3 + 98 + 532 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117721 + ... + 495719.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260000).

Almost surely, 2^115939853280 is an apocalyptic number.

115939853280 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 115939853280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205752960000).

115939853280 is an abundant number, since it is smaller than the sum of its proper divisors (295566066720).

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

115939853280 is a wasteful number, since it uses less digits than its factorization.

115939853280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378094 (or 378080 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 115939853280 in words is "one hundred fifteen billion, nine hundred thirty-nine million, eight hundred fifty-three thousand, two hundred eighty".