41543303561 has 8 divisors (see below), whose sum is σ = 43050330120. Its totient is φ = 40041243648.

The previous prime is 41543303513. The next prime is 41543303591. The reversal of 41543303561 is 16530334514.

It can be written as a sum of positive squares in 4 ways, for example, as 10048057600 + 31495245961 = 100240^2 + 177469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41543303561 - 2⁶ = 41543303497 is a prime.

It is a super-2 number, since 2×41543303561² (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 (41543303591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224626 + ... + 1258091.

It is an arithmetic number, because the mean of its divisors is an integer number (5381291265).

Almost surely, 2^41543303561 is an apocalyptic number.

It is an amenable number.

41543303561 is a deficient number, since it is larger than the sum of its proper divisors (1507026559).

41543303561 is a wasteful number, since it uses less digits than its factorization.

41543303561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483323.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 41543303561 in words is "forty-one billion, five hundred forty-three million, three hundred three thousand, five hundred sixty-one".