115080280 has 32 divisors (see below), whose sum is σ = 295921440. Its totient is φ = 39456000.

The previous prime is 115080269. The next prime is 115080281. The reversal of 115080280 is 82080511.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115080281) 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, 205221 + ... + 205780.

It is an arithmetic number, because the mean of its divisors is an integer number (9247545).

Almost surely, 2^115080280 is an apocalyptic number.

115080280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115080280 is an abundant number, since it is smaller than the sum of its proper divisors (180841160).

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

115080280 is a wasteful number, since it uses less digits than its factorization.

115080280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411019 (or 411015 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 115080280 is about 10727.5477160440. The cubic root of 115080280 is about 486.4075453837.

The spelling of 115080280 in words is "one hundred fifteen million, eighty thousand, two hundred eighty".