11736564545 has 16 divisors (see below), whose sum is σ = 14704692480. Its totient is φ = 8975845824.

The previous prime is 11736564529. The next prime is 11736564547. The reversal of 11736564545 is 54546563711.

It is a happy number.

11736564545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11736564545 - 2⁴ = 11736564529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11736564545.

It is not an unprimeable number, because it can be changed into a prime (11736564547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 177212 + ... + 234258.

It is an arithmetic number, because the mean of its divisors is an integer number (919043280).

Almost surely, 2^11736564545 is an apocalyptic number.

It is an amenable number.

11736564545 is a deficient number, since it is larger than the sum of its proper divisors (2968127935).

11736564545 is a wasteful number, since it uses less digits than its factorization.

11736564545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58864.

The product of its digits is 1512000, while the sum is 47.

The spelling of 11736564545 in words is "eleven billion, seven hundred thirty-six million, five hundred sixty-four thousand, five hundred forty-five".