40911517717 has 12 divisors (see below), whose sum is σ = 47619559020. Its totient is φ = 35045934336.

The previous prime is 40911517663. The next prime is 40911517723. The reversal of 40911517717 is 71771511904.

It can be written as a sum of positive squares in 2 ways, for example, as 12870675601 + 28040842116 = 113449^2 + 167454^2 .

It is not a de Polignac number, because 40911517717 - 2¹¹ = 40911515669 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 (40911517817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168348 + ... + 331909.

It is an arithmetic number, because the mean of its divisors is an integer number (3968296585).

Almost surely, 2^40911517717 is an apocalyptic number.

It is an amenable number.

40911517717 is a deficient number, since it is larger than the sum of its proper divisors (6708041303).

40911517717 is a wasteful number, since it uses less digits than its factorization.

40911517717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501940 (or 501933 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 43.

The spelling of 40911517717 in words is "forty billion, nine hundred eleven million, five hundred seventeen thousand, seven hundred seventeen".