115951500 has 240 divisors, whose sum is σ = 433392960. Its totient is φ = 26438400.

The previous prime is 115951489. The next prime is 115951523. The reversal of 115951500 is 5159511.

115951500 is a `hidden beast` number, since 1 + 159 + 5 + 1 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 283296 + ... + 283704.

It is an arithmetic number, because the mean of its divisors is an integer number (1805804).

Almost surely, 2^115951500 is an apocalyptic number.

115951500 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 115951500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216696480).

115951500 is an abundant number, since it is smaller than the sum of its proper divisors (317441460).

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

115951500 is a wasteful number, since it uses less digits than its factorization.

115951500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 115951500 is about 10768.0778228986. The cubic root of 115951500 is about 487.6319169629.

The spelling of 115951500 in words is "one hundred fifteen million, nine hundred fifty-one thousand, five hundred".