115800080 has 40 divisors (see below), whose sum is σ = 293713344. Its totient is φ = 42108800.

The previous prime is 115800059. The next prime is 115800089. The reversal of 115800080 is 80008511.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (115800089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64916 + ... + 66675.

Almost surely, 2^115800080 is an apocalyptic number.

115800080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115800080 is an abundant number, since it is smaller than the sum of its proper divisors (177913264).

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

115800080 is a wasteful number, since it uses less digits than its factorization.

115800080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131615 (or 131609 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 115800080 is about 10761.0445589636. The cubic root of 115800080 is about 487.4195598155.

Adding to 115800080 its reverse (80008511), we get a palindrome (195808591).

The spelling of 115800080 in words is "one hundred fifteen million, eight hundred thousand, eighty".