11530675565 has 8 divisors (see below), whose sum is σ = 13876459800. Its totient is φ = 9198107712.

The previous prime is 11530675517. The next prime is 11530675571. The reversal of 11530675565 is 56557603511.

11530675565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3708688201 + 7821987364 = 60899^2 + 88442^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11530675565 - 2²² = 11526481261 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3302174 + ... + 3305663.

It is an arithmetic number, because the mean of its divisors is an integer number (1734557475).

Almost surely, 2^11530675565 is an apocalyptic number.

It is an amenable number.

11530675565 is a deficient number, since it is larger than the sum of its proper divisors (2345784235).

11530675565 is an equidigital number, since it uses as much as digits as its factorization.

11530675565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608191.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 11530675565 in words is "eleven billion, five hundred thirty million, six hundred seventy-five thousand, five hundred sixty-five".