115565530 has 8 divisors (see below), whose sum is σ = 208017972. Its totient is φ = 46226208.

The previous prime is 115565491. The next prime is 115565539. The reversal of 115565530 is 35565511.

It can be written as a sum of positive squares in 2 ways, for example, as 102191881 + 13373649 = 10109^2 + 3657^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 115565492 and 115565501.

It is not an unprimeable number, because it can be changed into a prime (115565539) 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, 5778267 + ... + 5778286.

Almost surely, 2^115565530 is an apocalyptic number.

115565530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115565530 is a deficient number, since it is larger than the sum of its proper divisors (92452442).

115565530 is a wasteful number, since it uses less digits than its factorization.

115565530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556560.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 115565530 is about 10750.1409293088. The cubic root of 115565530 is about 487.0902522375.

The spelling of 115565530 in words is "one hundred fifteen million, five hundred sixty-five thousand, five hundred thirty".