41540335161 has 32 divisors (see below), whose sum is σ = 60655284480.
Its totient is φ = 25131859200.
The previous prime is 41540335139. The next prime is 41540335163. The reversal of 41540335161 is 16153304514.
It is a happy number.
It is not a de Polignac number, because 41540335161 - 25 = 41540335129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (41540335163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7893271 + ... + 7898531.
It is an arithmetic number, because the mean of its divisors is an integer number (1895477640).
Almost surely, 241540335161 is an apocalyptic number.
It is an amenable number.
41540335161 is a deficient number, since it is larger than the sum of its proper divisors (19114949319).
41540335161 is a wasteful number, since it uses less digits than its factorization.
41540335161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8657.
The product of its (nonzero) digits is 21600, while the sum is 33.
Adding to 41540335161 its reverse (16153304514), we get a palindrome (57693639675).
The spelling of 41540335161 in words is "forty-one billion, five hundred forty million, three hundred thirty-five thousand, one hundred sixty-one".