115220160320 has 56 divisors (see below), whose sum is σ = 274737844224. Its totient is φ = 46025939456.

The previous prime is 115220160271. The next prime is 115220160323. The reversal of 115220160320 is 23061022511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115220160323) 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 7 ways as a sum of consecutive naturals, for example, 4544 + ... + 480063.

Almost surely, 2^115220160320 is an apocalyptic number.

115220160320 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 115220160320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137368922112).

115220160320 is an abundant number, since it is smaller than the sum of its proper divisors (159517683904).

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

115220160320 is an equidigital number, since it uses as much as digits as its factorization.

115220160320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485367 (or 485357 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 115220160320 its reverse (23061022511), we get a palindrome (138281182831).

The spelling of 115220160320 in words is "one hundred fifteen billion, two hundred twenty million, one hundred sixty thousand, three hundred twenty".