115403405344 has 48 divisors (see below), whose sum is σ = 231032462976. Its totient is φ = 56729376000.

The previous prime is 115403405329. The next prime is 115403405399. The reversal of 115403405344 is 443504304511.

It is a super-3 number, since 3×115403405344³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4576579 + ... + 4601725.

It is an arithmetic number, because the mean of its divisors is an integer number (4813176312).

Almost surely, 2^115403405344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115403405344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115516231488).

115403405344 is an abundant number, since it is smaller than the sum of its proper divisors (115629057632).

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

115403405344 is a wasteful number, since it uses less digits than its factorization.

115403405344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27569 (or 27561 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 115403405344 its reverse (443504304511), we get a palindrome (558907709855).

The spelling of 115403405344 in words is "one hundred fifteen billion, four hundred three million, four hundred five thousand, three hundred forty-four".