115853818000 has 80 divisors (see below), whose sum is σ = 281048511744. Its totient is φ = 46190332800.

The previous prime is 115853817913. The next prime is 115853818033. The reversal of 115853818000 is 818358511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519657 + ... + 708343.

Almost surely, 2^115853818000 is an apocalyptic number.

115853818000 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 115853818000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140524255872).

115853818000 is an abundant number, since it is smaller than the sum of its proper divisors (165194693744).

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

115853818000 is a wasteful number, since it uses less digits than its factorization.

115853818000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189017 (or 189001 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 40.

The spelling of 115853818000 in words is "one hundred fifteen billion, eight hundred fifty-three million, eight hundred eighteen thousand".