11564206356 has 24 divisors (see below), whose sum is σ = 26984978944. Its totient is φ = 3854473920.

The previous prime is 11564206349. The next prime is 11564206387. The reversal of 11564206356 is 65360246511.

It is a congruent number.

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, 247821 + ... + 290763.

Almost surely, 2^11564206356 is an apocalyptic number.

It is an amenable number.

11564206356 is an abundant number, since it is smaller than the sum of its proper divisors (15420772588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11564206356 is a wasteful number, since it uses less digits than its factorization.

11564206356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65391 (or 65389 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 11564206356 in words is "eleven billion, five hundred sixty-four million, two hundred six thousand, three hundred fifty-six".