115980380 has 12 divisors (see below), whose sum is σ = 243558840. Its totient is φ = 46392144.

The previous prime is 115980343. The next prime is 115980383. The reversal of 115980380 is 83089511.

It is a self number, because there is not a number n which added to its sum of digits gives 115980380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115980383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2899490 + ... + 2899529.

It is an arithmetic number, because the mean of its divisors is an integer number (20296570).

Almost surely, 2^115980380 is an apocalyptic number.

115980380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115980380 is an abundant number, since it is smaller than the sum of its proper divisors (127578460).

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

115980380 is a wasteful number, since it uses less digits than its factorization.

115980380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799028 (or 5799026 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 115980380 is about 10769.4187401178. The cubic root of 115980380 is about 487.6723983732.

The spelling of 115980380 in words is "one hundred fifteen million, nine hundred eighty thousand, three hundred eighty".