115105566 has 8 divisors (see below), whose sum is σ = 230211144. Its totient is φ = 38368520.

The previous prime is 115105541. The next prime is 115105567. The reversal of 115105566 is 665501511.

It is a sphenic number, since it is the product of 3 distinct primes.

115105566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115105567) 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 3 ways as a sum of consecutive naturals, for example, 9592125 + ... + 9592136.

It is an arithmetic number, because the mean of its divisors is an integer number (28776393).

Almost surely, 2^115105566 is an apocalyptic number.

115105566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115105566 is a wasteful number, since it uses less digits than its factorization.

115105566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19184266.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 115105566 is about 10728.7262058457. The cubic root of 115105566 is about 486.4431680536.

The spelling of 115105566 in words is "one hundred fifteen million, one hundred five thousand, five hundred sixty-six".