41485018081 has 4 divisors (see below), whose sum is σ = 44676173332. Its totient is φ = 38293862832.

The previous prime is 41485018079. The next prime is 41485018093. The reversal of 41485018081 is 18081058414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3774873600 + 37710144481 = 61440^2 + 194191^2 .

It is a cyclic number.

It is not a de Polignac number, because 41485018081 - 2¹ = 41485018079 is a prime.

It is a super-2 number, since 2×41485018081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41485018031) 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 3 ways as a sum of consecutive naturals, for example, 1595577606 + ... + 1595577631.

It is an arithmetic number, because the mean of its divisors is an integer number (11169043333).

Almost surely, 2^41485018081 is an apocalyptic number.

It is an amenable number.

41485018081 is a deficient number, since it is larger than the sum of its proper divisors (3191155251).

41485018081 is a wasteful number, since it uses less digits than its factorization.

41485018081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191155250.

The product of its (nonzero) digits is 40960, while the sum is 40.

The spelling of 41485018081 in words is "forty-one billion, four hundred eighty-five million, eighteen thousand, eighty-one".