5581584236845 has 16 divisors (see below), whose sum is σ = 6998649224832. Its totient is φ = 4265298354240.

The previous prime is 5581584236807. The next prime is 5581584236873. The reversal of 5581584236845 is 5486324851855.

It is not a de Polignac number, because 5581584236845 - 2¹¹ = 5581584234797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33023151 + ... + 33191740.

It is an arithmetic number, because the mean of its divisors is an integer number (437415576552).

Almost surely, 2^{5581584236845} is an apocalyptic number.

It is an amenable number.

5581584236845 is a deficient number, since it is larger than the sum of its proper divisors (1417064987987).

5581584236845 is a wasteful number, since it uses less digits than its factorization.

5581584236845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66215652.

The product of its digits is 184320000, while the sum is 64.

The spelling of 5581584236845 in words is "five trillion, five hundred eighty-one billion, five hundred eighty-four million, two hundred thirty-six thousand, eight hundred forty-five".