115351980 has 24 divisors (see below), whose sum is σ = 322985712. Its totient is φ = 30760512.

The previous prime is 115351979. The next prime is 115351993. The reversal of 115351980 is 89153511.

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 7 ways as a sum of consecutive naturals, for example, 961207 + ... + 961326.

It is an arithmetic number, because the mean of its divisors is an integer number (13457738).

Almost surely, 2^115351980 is an apocalyptic number.

115351980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115351980 is an abundant number, since it is smaller than the sum of its proper divisors (207633732).

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

115351980 is a wasteful number, since it uses less digits than its factorization.

115351980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922545 (or 1922543 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 115351980 is about 10740.2039086788. The cubic root of 115351980 is about 486.7900408629.

The spelling of 115351980 in words is "one hundred fifteen million, three hundred fifty-one thousand, nine hundred eighty".