1159516564 has 12 divisors (see below), whose sum is σ = 2051954100. Its totient is φ = 573243968.

The previous prime is 1159516559. The next prime is 1159516573. The reversal of 1159516564 is 4656159511.

It can be written as a sum of positive squares in 2 ways, for example, as 476112400 + 683404164 = 21820^2 + 26142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1159516564.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1628179 + ... + 1628890.

It is an arithmetic number, because the mean of its divisors is an integer number (170996175).

Almost surely, 2^1159516564 is an apocalyptic number.

It is an amenable number.

1159516564 is a deficient number, since it is larger than the sum of its proper divisors (892437536).

1159516564 is a wasteful number, since it uses less digits than its factorization.

1159516564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257162 (or 3257160 counting only the distinct ones).

The product of its digits is 162000, while the sum is 43.

The square root of 1159516564 is about 34051.6749074109. The cubic root of 1159516564 is about 1050.5715902222.

The spelling of 1159516564 in words is "one billion, one hundred fifty-nine million, five hundred sixteen thousand, five hundred sixty-four".