1150161565 has 24 divisors (see below), whose sum is σ = 1615203072. Its totient is φ = 783931680.

The previous prime is 1150161563. The next prime is 1150161577. The reversal of 1150161565 is 5651610511.

It is not a de Polignac number, because 1150161565 - 2¹ = 1150161563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150161563) 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 23 ways as a sum of consecutive naturals, for example, 26860 + ... + 54970.

It is an arithmetic number, because the mean of its divisors is an integer number (67300128).

Almost surely, 2^1150161565 is an apocalyptic number.

It is an amenable number.

1150161565 is a deficient number, since it is larger than the sum of its proper divisors (465041507).

1150161565 is a wasteful number, since it uses less digits than its factorization.

1150161565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28297 (or 28290 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1150161565 is about 33914.0319779291. The cubic root of 1150161565 is about 1047.7386146314.

The spelling of 1150161565 in words is "one billion, one hundred fifty million, one hundred sixty-one thousand, five hundred sixty-five".