11559081 has 8 divisors (see below), whose sum is σ = 15943680. Its totient is φ = 7440272.

The previous prime is 11559071. The next prime is 11559127. The reversal of 11559081 is 18095511.

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 11559081 - 2⁶ = 11559017 is a prime.

It is a super-3 number, since 3×11559081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11559061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66345 + ... + 66518.

It is an arithmetic number, because the mean of its divisors is an integer number (1992960).

Almost surely, 2^11559081 is an apocalyptic number.

It is an amenable number.

11559081 is a deficient number, since it is larger than the sum of its proper divisors (4384599).

11559081 is a wasteful number, since it uses less digits than its factorization.

11559081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132895.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 11559081 is about 3399.8648502551. The cubic root of 11559081 is about 226.1037519290.

The spelling of 11559081 in words is "eleven million, five hundred fifty-nine thousand, eighty-one".