115533440000000 has 448 divisors, whose sum is σ = 315090360554112. Its totient is φ = 42009600000000.

The previous prime is 115533439999963. The next prime is 115533440000009. The reversal of 115533440000000 is 44335511.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (115533440000009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7039991795 + ... + 7040008205.

Almost surely, 2^{115533440000000} is an apocalyptic number.

115533440000000 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 115533440000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157545180277056).

115533440000000 is an abundant number, since it is smaller than the sum of its proper divisors (199556920554112).

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

115533440000000 is an frugal number, since it uses more digits than its factorization.

115533440000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16483 (or 16429 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 115533440000000 its reverse (44335511), we get a palindrome (115533484335511).

The spelling of 115533440000000 in words is "one hundred fifteen trillion, five hundred thirty-three billion, four hundred forty million", and thus it is an aban number.