115514666500 has 96 divisors (see below), whose sum is σ = 256717843200. Its totient is φ = 45397440000.

The previous prime is 115514666497. The next prime is 115514666507. The reversal of 115514666500 is 5666415511.

It is not an unprimeable number, because it can be changed into a prime (115514666507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13429201 + ... + 13437799.

It is an arithmetic number, because the mean of its divisors is an integer number (2674144200).

Almost surely, 2^115514666500 is an apocalyptic number.

115514666500 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 115514666500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128358921600).

115514666500 is an abundant number, since it is smaller than the sum of its proper divisors (141203176700).

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

115514666500 is a wasteful number, since it uses less digits than its factorization.

115514666500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086 (or 9074 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 115514666500 in words is "one hundred fifteen billion, five hundred fourteen million, six hundred sixty-six thousand, five hundred".