115520066 has 8 divisors (see below), whose sum is σ = 183473100. Its totient is φ = 54362368.

The previous prime is 115520051. The next prime is 115520143. The reversal of 115520066 is 660025511.

It can be written as a sum of positive squares in 2 ways, for example, as 115240225 + 279841 = 10735^2 + 529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698791 + ... + 1698858.

Almost surely, 2^115520066 is an apocalyptic number.

115520066 is a deficient number, since it is larger than the sum of its proper divisors (67953034).

115520066 is a wasteful number, since it uses less digits than its factorization.

115520066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397668.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 115520066 is about 10748.0261443672. The cubic root of 115520066 is about 487.0263693598.

Adding to 115520066 its reverse (660025511), we get a palindrome (775545577).

Subtracting 115520066 from its reverse (660025511), we obtain a palindrome (544505445).

The spelling of 115520066 in words is "one hundred fifteen million, five hundred twenty thousand, sixty-six".