115512240000 has 160 divisors (see below), whose sum is σ = 383414799240. Its totient is φ = 30803200000.

The previous prime is 115512239977. The next prime is 115512240013. The reversal of 115512240000 is 42215511.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 651 + ... + 480650.

Almost surely, 2^115512240000 is an apocalyptic number.

115512240000 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 115512240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191707399620).

115512240000 is an abundant number, since it is smaller than the sum of its proper divisors (267902559240).

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

115512240000 is an frugal number, since it uses more digits than its factorization.

115512240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481338 (or 481311 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 115512240000 its reverse (42215511), we get a palindrome (115554455511).

The spelling of 115512240000 in words is "one hundred fifteen billion, five hundred twelve million, two hundred forty thousand".