115243241320 has 64 divisors (see below), whose sum is σ = 263570922000. Its totient is φ = 45342916608.

The previous prime is 115243241299. The next prime is 115243241327. The reversal of 115243241320 is 23142342511.

It can be written as a sum of positive squares in 8 ways, for example, as 17850563236 + 97392678084 = 133606^2 + 312078^2 .

It is not an unprimeable number, because it can be changed into a prime (115243241327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603216 + ... + 770944.

Almost surely, 2^115243241320 is an apocalyptic number.

115243241320 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 115243241320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131785461000).

115243241320 is an abundant number, since it is smaller than the sum of its proper divisors (148327680680).

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

115243241320 is a wasteful number, since it uses less digits than its factorization.

115243241320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168022 (or 168018 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 115243241320 its reverse (23142342511), we get a palindrome (138385583831).

The spelling of 115243241320 in words is "one hundred fifteen billion, two hundred forty-three million, two hundred forty-one thousand, three hundred twenty".