41575546561 has 4 divisors (see below), whose sum is σ = 42589584324. Its totient is φ = 40561508800.

The previous prime is 41575546543. The next prime is 41575546601. The reversal of 41575546561 is 16564557514.

41575546561 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 an emirpimes, since its reverse is a distinct semiprime: 16564557514 = 2 ⋅8282278757.

It can be written as a sum of positive squares in 2 ways, for example, as 12006680625 + 29568865936 = 109575^2 + 171956^2 .

It is a cyclic number.

It is not a de Polignac number, because 41575546561 - 2⁹ = 41575546049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42575546561) 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, 507018820 + ... + 507018901.

It is an arithmetic number, because the mean of its divisors is an integer number (10647396081).

Almost surely, 2^41575546561 is an apocalyptic number.

41575546561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41575546561 is a deficient number, since it is larger than the sum of its proper divisors (1014037763).

41575546561 is a wasteful number, since it uses less digits than its factorization.

41575546561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014037762.

The product of its digits is 2520000, while the sum is 49.

The spelling of 41575546561 in words is "forty-one billion, five hundred seventy-five million, five hundred forty-six thousand, five hundred sixty-one".