115503043132530 has 128 divisors (see below), whose sum is σ = 311814451238400. Its totient is φ = 30421960756992.

The previous prime is 115503043132523. The next prime is 115503043132541. The reversal of 115503043132530 is 35231340305511.

115503043132530 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 0 + 304 + 313 + 2 + 5 + 30 = 666.

115503043132530 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×115503043132530³ (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3138979 + ... + 15519641.

It is an arithmetic number, because the mean of its divisors is an integer number (2436050400300).

Almost surely, 2^{115503043132530} is an apocalyptic number.

115503043132530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115503043132530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155907225619200).

115503043132530 is an abundant number, since it is smaller than the sum of its proper divisors (196311408105870).

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

115503043132530 is a wasteful number, since it uses less digits than its factorization.

115503043132530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12381105 (or 12381099 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 115503043132530 in words is "one hundred fifteen trillion, five hundred three billion, forty-three million, one hundred thirty-two thousand, five hundred thirty".