1150565065 has 16 divisors (see below), whose sum is σ = 1493948736. Its totient is φ = 845611200.

The previous prime is 1150565051. The next prime is 1150565069. The reversal of 1150565065 is 5605650511.

It is not a de Polignac number, because 1150565065 - 2⁹ = 1150564553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1150565065.

It is not an unprimeable number, because it can be changed into a prime (1150565069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28231 + ... + 55660.

It is an arithmetic number, because the mean of its divisors is an integer number (93371796).

Almost surely, 2^1150565065 is an apocalyptic number.

It is an amenable number.

1150565065 is a deficient number, since it is larger than the sum of its proper divisors (343383671).

1150565065 is a wasteful number, since it uses less digits than its factorization.

1150565065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84120.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1150565065 is about 33919.9803213386. The cubic root of 1150565065 is about 1047.8611229571.

The spelling of 1150565065 in words is "one billion, one hundred fifty million, five hundred sixty-five thousand, sixty-five".