11565052909328 has 40 divisors (see below), whose sum is σ = 22519327062936. Its totient is φ = 5753654323200.

The previous prime is 11565052909301. The next prime is 11565052909369. The reversal of 11565052909328 is 82390925056511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3768381677824 + 7796671231504 = 1941232^2 + 2792252^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3284150 + ... + 5823722.

Almost surely, 2^{11565052909328} is an apocalyptic number.

It is an amenable number.

11565052909328 is a deficient number, since it is larger than the sum of its proper divisors (10954274153608).

11565052909328 is a wasteful number, since it uses less digits than its factorization.

11565052909328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541003 (or 2540997 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 56.

The spelling of 11565052909328 in words is "eleven trillion, five hundred sixty-five billion, fifty-two million, nine hundred nine thousand, three hundred twenty-eight".