11218570585 has 8 divisors (see below), whose sum is σ = 13465077696. Its totient is φ = 8972994480.

The previous prime is 11218570549. The next prime is 11218570603. The reversal of 11218570585 is 58507581211.

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

It is not a de Polignac number, because 11218570585 - 2¹⁷ = 11218439513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205959 + ... + 254668.

It is an arithmetic number, because the mean of its divisors is an integer number (1683134712).

Almost surely, 2^11218570585 is an apocalyptic number.

It is an amenable number.

11218570585 is a deficient number, since it is larger than the sum of its proper divisors (2246507111).

11218570585 is an equidigital number, since it uses as much as digits as its factorization.

11218570585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465503.

The product of its (nonzero) digits is 112000, while the sum is 43.

The spelling of 11218570585 in words is "eleven billion, two hundred eighteen million, five hundred seventy thousand, five hundred eighty-five".