1165000115 has 4 divisors (see below), whose sum is σ = 1398000144. Its totient is φ = 932000088.

The previous prime is 1165000097. The next prime is 1165000127. The reversal of 1165000115 is 5110005611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1165000115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 116500007 + ... + 116500016.

It is an arithmetic number, because the mean of its divisors is an integer number (349500036).

Almost surely, 2^1165000115 is an apocalyptic number.

1165000115 is a deficient number, since it is larger than the sum of its proper divisors (233000029).

1165000115 is an equidigital number, since it uses as much as digits as its factorization.

1165000115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233000028.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1165000115 is about 34132.0980163833. The cubic root of 1165000115 is about 1052.2250969480.

Adding to 1165000115 its reverse (5110005611), we get a palindrome (6275005726).

The spelling of 1165000115 in words is "one billion, one hundred sixty-five million, one hundred fifteen", and thus it is an aban number.