41556822815 has 4 divisors (see below), whose sum is σ = 49868187384. Its totient is φ = 33245458248.

The previous prime is 41556822767. The next prime is 41556822817. The reversal of 41556822815 is 51822865514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41556822815 - 2¹⁰ = 41556821791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41556822815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41556822817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4155682277 + ... + 4155682286.

It is an arithmetic number, because the mean of its divisors is an integer number (12467046846).

Almost surely, 2^41556822815 is an apocalyptic number.

41556822815 is a deficient number, since it is larger than the sum of its proper divisors (8311364569).

41556822815 is an equidigital number, since it uses as much as digits as its factorization.

41556822815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311364568.

The product of its digits is 768000, while the sum is 47.

The spelling of 41556822815 in words is "forty-one billion, five hundred fifty-six million, eight hundred twenty-two thousand, eight hundred fifteen".