41731520517 has 20 divisors (see below), whose sum is σ = 62982367756. Its totient is φ = 27534193920.

The previous prime is 41731520461. The next prime is 41731520527. The reversal of 41731520517 is 71502513714.

41731520517 is a `hidden beast` number, since 41 + 73 + 15 + 20 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5734427076 + 35997093441 = 75726^2 + 189729^2 .

It is not a de Polignac number, because 41731520517 - 2³⁵ = 7371782149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41731520527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2647834 + ... + 2663547.

Almost surely, 2^41731520517 is an apocalyptic number.

It is an amenable number.

41731520517 is a deficient number, since it is larger than the sum of its proper divisors (21250847239).

41731520517 is an equidigital number, since it uses as much as digits as its factorization.

41731520517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311490 (or 5311481 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 41731520517 in words is "forty-one billion, seven hundred thirty-one million, five hundred twenty thousand, five hundred seventeen".