11559006864 has 60 divisors (see below), whose sum is σ = 32386156816. Its totient is φ = 3848596416.

The previous prime is 11559006841. The next prime is 11559006871. The reversal of 11559006864 is 46860095511.

11559006864 is a `hidden beast` number, since 11 + 559 + 0 + 0 + 6 + 86 + 4 = 666.

It is a super-2 number, since 2×11559006864² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81699 + ... + 172605.

Almost surely, 2^11559006864 is an apocalyptic number.

It is an amenable number.

11559006864 is an abundant number, since it is smaller than the sum of its proper divisors (20827149952).

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

11559006864 is a wasteful number, since it uses less digits than its factorization.

11559006864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91804 (or 91795 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 11559006864 in words is "eleven billion, five hundred fifty-nine million, six thousand, eight hundred sixty-four".