115499260800 has 1344 divisors, whose sum is σ = 534169560960. Its totient is φ = 23962521600.

The previous prime is 115499260783. The next prime is 115499260831. The reversal of 115499260800 is 8062994511.

115499260800 is a `hidden beast` number, since 1 + 1 + 549 + 9 + 26 + 0 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 167 ways as a sum of consecutive naturals, for example, 179625279 + ... + 179625921.

It is an arithmetic number, because the mean of its divisors is an integer number (397447590).

Almost surely, 2^115499260800 is an apocalyptic number.

115499260800 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 115499260800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267084780480).

115499260800 is an abundant number, since it is smaller than the sum of its proper divisors (418670300160).

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

115499260800 is an equidigital number, since it uses as much as digits as its factorization.

115499260800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 115499260800 in words is "one hundred fifteen billion, four hundred ninety-nine million, two hundred sixty thousand, eight hundred".