11552365866 has 16 divisors (see below), whose sum is σ = 23110956000. Its totient is φ = 3849751248.

The previous prime is 11552365859. The next prime is 11552365889. The reversal of 11552365866 is 66856325511.

It is a happy 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, 235041 + ... + 279908.

It is an arithmetic number, because the mean of its divisors is an integer number (1444434750).

Almost surely, 2^11552365866 is an apocalyptic number.

11552365866 is an abundant number, since it is smaller than the sum of its proper divisors (11558590134).

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

11552365866 is a wasteful number, since it uses less digits than its factorization.

11552365866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518693.

The product of its digits is 1296000, while the sum is 48.

The spelling of 11552365866 in words is "eleven billion, five hundred fifty-two million, three hundred sixty-five thousand, eight hundred sixty-six".