11586589081 has 8 divisors (see below), whose sum is σ = 11649623040. Its totient is φ = 11523598128.

The previous prime is 11586589073. The next prime is 11586589099. The reversal of 11586589081 is 18098568511.

It is a happy number.

11586589081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11586589081 - 2³ = 11586589073 is a prime.

It is a super-2 number, since 2×11586589081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11586589061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633000 + ... + 651046.

It is an arithmetic number, because the mean of its divisors is an integer number (1456202880).

Almost surely, 2^11586589081 is an apocalyptic number.

It is an amenable number.

11586589081 is a deficient number, since it is larger than the sum of its proper divisors (63033959).

11586589081 is a wasteful number, since it uses less digits than its factorization.

11586589081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21503.

The product of its (nonzero) digits is 691200, while the sum is 52.

The spelling of 11586589081 in words is "eleven billion, five hundred eighty-six million, five hundred eighty-nine thousand, eighty-one".