11585481 has 8 divisors (see below), whose sum is σ = 15463200. Its totient is φ = 7715712.

The previous prime is 11585473. The next prime is 11585489. The reversal of 11585481 is 18458511.

11585481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11585473) and next prime (11585489).

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

It is not a de Polignac number, because 11585481 - 2³ = 11585473 is a prime.

It is a super-2 number, since 2×11585481² = 268446740002722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11585489) 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, 3961 + ... + 6233.

It is an arithmetic number, because the mean of its divisors is an integer number (1932900).

Almost surely, 2^11585481 is an apocalyptic number.

It is an amenable number.

11585481 is a deficient number, since it is larger than the sum of its proper divisors (3877719).

11585481 is a wasteful number, since it uses less digits than its factorization.

11585481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its digits is 6400, while the sum is 33.

The square root of 11585481 is about 3403.7451432209. The cubic root of 11585481 is about 226.2757552358.

The spelling of 11585481 in words is "eleven million, five hundred eighty-five thousand, four hundred eighty-one".