115580556 has 72 divisors (see below), whose sum is σ = 359594144. Its totient is φ = 30481920.

The previous prime is 115580539. The next prime is 115580557. The reversal of 115580556 is 655085511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 115580556.

It is not an unprimeable number, because it can be changed into a prime (115580557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14365 + ... + 20916.

Almost surely, 2^115580556 is an apocalyptic number.

It is an amenable number.

115580556 is an abundant number, since it is smaller than the sum of its proper divisors (244013588).

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

115580556 is a wasteful number, since it uses less digits than its factorization.

115580556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35311 (or 35306 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The square root of 115580556 is about 10750.8397811520. The cubic root of 115580556 is about 487.1113620527. Note that the first 3 decimals are identical.

The spelling of 115580556 in words is "one hundred fifteen million, five hundred eighty thousand, five hundred fifty-six".