115452520000000 has 320 divisors, whose sum is σ = 289094664212640. Its totient is φ = 46061568000000.

The previous prime is 115452519999889. The next prime is 115452520000063. The reversal of 115452520000000 is 25254511.

It can be written as a sum of positive squares in 16 ways, for example, as 86882383229184 + 28570136770816 = 9321072^2 + 5345104^2 .

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 115452520000000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16359996472 + ... + 16360003528.

Almost surely, 2^{115452520000000} is an apocalyptic number.

115452520000000 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 115452520000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144547332106320).

115452520000000 is an abundant number, since it is smaller than the sum of its proper divisors (173642144212640).

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

115452520000000 is an frugal number, since it uses more digits than its factorization.

115452520000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519 (or 7473 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 115452520000000 its reverse (25254511), we get a palindrome (115452545254511).

The spelling of 115452520000000 in words is "one hundred fifteen trillion, four hundred fifty-two billion, five hundred twenty million", and thus it is an aban number.