41508885581 has 4 divisors (see below), whose sum is σ = 41519036064. Its totient is φ = 41498735100.

The previous prime is 41508885571. The next prime is 41508885599. The reversal of 41508885581 is 18558880514.

41508885581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41508885581 - 2¹⁸ = 41508623437 is a prime.

It is a super-2 number, since 2×41508885581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41508885521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5069105 + ... + 5077286.

It is an arithmetic number, because the mean of its divisors is an integer number (10379759016).

Almost surely, 2^41508885581 is an apocalyptic number.

It is an amenable number.

41508885581 is a deficient number, since it is larger than the sum of its proper divisors (10150483).

41508885581 is a wasteful number, since it uses less digits than its factorization.

41508885581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150482.

The product of its (nonzero) digits is 2048000, while the sum is 53.

The spelling of 41508885581 in words is "forty-one billion, five hundred eight million, eight hundred eighty-five thousand, five hundred eighty-one".