41156545165 has 32 divisors (see below), whose sum is σ = 52665106176. Its totient is φ = 30768460800.

The previous prime is 41156545153. The next prime is 41156545193. The reversal of 41156545165 is 56154565114.

It is not a de Polignac number, because 41156545165 - 2¹¹ = 41156543117 is a prime.

It is a super-2 number, since 2×41156545165² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15453624 + ... + 15456286.

It is an arithmetic number, because the mean of its divisors is an integer number (1645784568).

Almost surely, 2^41156545165 is an apocalyptic number.

It is an amenable number.

41156545165 is a deficient number, since it is larger than the sum of its proper divisors (11508561011).

41156545165 is a wasteful number, since it uses less digits than its factorization.

41156545165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909.

The product of its digits is 360000, while the sum is 43.

The spelling of 41156545165 in words is "forty-one billion, one hundred fifty-six million, five hundred forty-five thousand, one hundred sixty-five".