41324252561 has 4 divisors (see below), whose sum is σ = 41335926324. Its totient is φ = 41312578800.

The previous prime is 41324252551. The next prime is 41324252569. The reversal of 41324252561 is 16525242314.

41324252561 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.

It can be written as a sum of positive squares in 2 ways, for example, as 29672129536 + 11652123025 = 172256^2 + 107945^2 .

It is a cyclic number.

It is not a de Polignac number, because 41324252561 - 2²² = 41320058257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41324252569) 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, 5831570 + ... + 5838651.

It is an arithmetic number, because the mean of its divisors is an integer number (10333981581).

Almost surely, 2^41324252561 is an apocalyptic number.

It is an amenable number.

41324252561 is a deficient number, since it is larger than the sum of its proper divisors (11673763).

41324252561 is a wasteful number, since it uses less digits than its factorization.

41324252561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11673762.

The product of its digits is 57600, while the sum is 35.

Adding to 41324252561 its reverse (16525242314), we get a palindrome (57849494875).

The spelling of 41324252561 in words is "forty-one billion, three hundred twenty-four million, two hundred fifty-two thousand, five hundred sixty-one".