41205221585 has 32 divisors (see below), whose sum is σ = 54740275200. Its totient is φ = 29526552000.

The previous prime is 41205221521. The next prime is 41205221623. The reversal of 41205221585 is 58512250214.

It is not a de Polignac number, because 41205221585 - 2⁶ = 41205221521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1109060 + ... + 1145610.

It is an arithmetic number, because the mean of its divisors is an integer number (1710633600).

Almost surely, 2^41205221585 is an apocalyptic number.

It is an amenable number.

41205221585 is a deficient number, since it is larger than the sum of its proper divisors (13535053615).

41205221585 is a wasteful number, since it uses less digits than its factorization.

41205221585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36869.

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 41205221585 its reverse (58512250214), we get a palindrome (99717471799).

The spelling of 41205221585 in words is "forty-one billion, two hundred five million, two hundred twenty-one thousand, five hundred eighty-five".