115520064 has 112 divisors (see below), whose sum is σ = 337962240. Its totient is φ = 34531840.

The previous prime is 115520051. The next prime is 115520143. The reversal of 115520064 is 460025511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174967 + ... + 175625.

It is an arithmetic number, because the mean of its divisors is an integer number (3017520).

Almost surely, 2^115520064 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 115520064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168981120).

115520064 is an abundant number, since it is smaller than the sum of its proper divisors (222442176).

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

115520064 is a wasteful number, since it uses less digits than its factorization.

115520064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 115520064 is about 10748.0260513268. The cubic root of 115520064 is about 487.0263665492.

Adding to 115520064 its reverse (460025511), we get a palindrome (575545575).

The spelling of 115520064 in words is "one hundred fifteen million, five hundred twenty thousand, sixty-four".