115605611 has 8 divisors (see below), whose sum is σ = 126521904. Its totient is φ = 104757120.

The previous prime is 115605601. The next prime is 115605643. The reversal of 115605611 is 116506511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115605611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115605601) by changing a digit.

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, 13346 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (15815238).

Almost surely, 2^115605611 is an apocalyptic number.

115605611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115605611 is a deficient number, since it is larger than the sum of its proper divisors (10916293).

115605611 is a wasteful number, since it uses less digits than its factorization.

115605611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33901.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 115605611 is about 10752.0049758173. The cubic root of 115605611 is about 487.1465573999.

Adding to 115605611 its product of nonzero digits (900), we get a palindrome (115606511).

It can be divided in two parts, 11560 and 5611, that added together give a palindrome (17171).

The spelling of 115605611 in words is "one hundred fifteen million, six hundred five thousand, six hundred eleven".