115400000000 has 180 divisors, whose sum is σ = 288717625614. Its totient is φ = 46080000000.

The previous prime is 115399999963. The next prime is 115400000017. The reversal of 115400000000 is 4511.

It can be written as a sum of positive squares in 9 ways, for example, as 111855464704 + 3544535296 = 334448^2 + 59536^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 199999712 + ... + 200000288.

Almost surely, 2^115400000000 is an apocalyptic number.

115400000000 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 115400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144358812807).

115400000000 is an abundant number, since it is smaller than the sum of its proper divisors (173317625614).

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

115400000000 is an frugal number, since it uses more digits than its factorization.

115400000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

Adding to 115400000000 its reverse (4511), we get a palindrome (115400004511).

The spelling of 115400000000 in words is "one hundred fifteen billion, four hundred million", and thus it is an aban number.