11564305604 has 6 divisors (see below), whose sum is σ = 20237534814. Its totient is φ = 5782152800.

The previous prime is 11564305603. The next prime is 11564305651. The reversal of 11564305604 is 40650346511.

It can be written as a sum of positive squares in only one way, i.e., 7005355204 + 4558950400 = 83698^2 + 67520^2 .

It is not an unprimeable number, because it can be changed into a prime (11564305601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445538197 + ... + 1445538204.

It is an arithmetic number, because the mean of its divisors is an integer number (3372922469).

Almost surely, 2^11564305604 is an apocalyptic number.

It is an amenable number.

11564305604 is a deficient number, since it is larger than the sum of its proper divisors (8673229210).

11564305604 is a wasteful number, since it uses less digits than its factorization.

11564305604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891076405 (or 2891076403 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 11564305604 in words is "eleven billion, five hundred sixty-four million, three hundred five thousand, six hundred four".