11481585 has 8 divisors (see below), whose sum is σ = 18370560. Its totient is φ = 6123504.

The previous prime is 11481571. The next prime is 11481607. The reversal of 11481585 is 58518411.

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

It is not a de Polignac number, because 11481585 - 2⁵ = 11481553 is a prime.

It is a super-2 number, since 2×11481585² = 263653588224450, which contains 22 as substring.

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, 382705 + ... + 382734.

It is an arithmetic number, because the mean of its divisors is an integer number (2296320).

Almost surely, 2^11481585 is an apocalyptic number.

11481585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11481585 is a deficient number, since it is larger than the sum of its proper divisors (6888975).

11481585 is an equidigital number, since it uses as much as digits as its factorization.

11481585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765447.

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

The square root of 11481585 is about 3388.4487601261. The cubic root of 11481585 is about 225.5973264044.

Adding to 11481585 its reverse (58518411), we get a palindrome (69999996).

The spelling of 11481585 in words is "eleven million, four hundred eighty-one thousand, five hundred eighty-five".