41720215061617 has 16 divisors (see below), whose sum is σ = 43174017619200. Its totient is φ = 40267426951360.

The previous prime is 41720215061593. The next prime is 41720215061633. The reversal of 41720215061617 is 71616051202714.

It is not a de Polignac number, because 41720215061617 - 2¹¹ = 41720215059569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41720215061017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098141492 + ... + 1098179482.

It is an arithmetic number, because the mean of its divisors is an integer number (2698376101200).

Almost surely, 2^{41720215061617} is an apocalyptic number.

It is an amenable number.

41720215061617 is a deficient number, since it is larger than the sum of its proper divisors (1453802557583).

41720215061617 is a wasteful number, since it uses less digits than its factorization.

41720215061617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50336.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 41720215061617 in words is "forty-one trillion, seven hundred twenty billion, two hundred fifteen million, sixty-one thousand, six hundred seventeen".