41512516665 has 16 divisors (see below), whose sum is σ = 70327087488. Its totient is φ = 20837655296.

The previous prime is 41512516663. The next prime is 41512516709. The reversal of 41512516665 is 56661521514.

It is a cyclic number.

It is not a de Polignac number, because 41512516665 - 2¹ = 41512516663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41512516663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81396837 + ... + 81397346.

It is an arithmetic number, because the mean of its divisors is an integer number (4395442968).

Almost surely, 2^41512516665 is an apocalyptic number.

It is an amenable number.

41512516665 is a deficient number, since it is larger than the sum of its proper divisors (28814570823).

41512516665 is a wasteful number, since it uses less digits than its factorization.

41512516665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162794208.

The product of its digits is 216000, while the sum is 42.

The spelling of 41512516665 in words is "forty-one billion, five hundred twelve million, five hundred sixteen thousand, six hundred sixty-five".