115882987500 has 576 divisors, whose sum is σ = 433132277760. Its totient is φ = 26244000000.

The previous prime is 115882987499. The next prime is 115882987511. The reversal of 115882987500 is 5789288511.

115882987500 is a `hidden beast` number, since 1 + 1 + 58 + 8 + 2 + 9 + 87 + 500 = 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 191 ways as a sum of consecutive naturals, for example, 427612365 + ... + 427612635.

It is an arithmetic number, because the mean of its divisors is an integer number (751965760).

Almost surely, 2^115882987500 is an apocalyptic number.

115882987500 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 115882987500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216566138880).

115882987500 is an abundant number, since it is smaller than the sum of its proper divisors (317249290260).

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

115882987500 is a wasteful number, since it uses less digits than its factorization.

115882987500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 54.

The spelling of 115882987500 in words is "one hundred fifteen billion, eight hundred eighty-two million, nine hundred eighty-seven thousand, five hundred".