41561021443343 has 4 divisors (see below), whose sum is σ = 41565340378608. Its totient is φ = 41556702508080.

The previous prime is 41561021443309. The next prime is 41561021443349. The reversal of 41561021443343 is 34334412016514.

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

It is a cyclic number.

It is not a de Polignac number, because 41561021443343 - 2¹⁶ = 41561021377807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41561021443343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41561021443349) 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, 2159453198 + ... + 2159472443.

It is an arithmetic number, because the mean of its divisors is an integer number (10391335094652).

Almost surely, 2^{41561021443343} is an apocalyptic number.

41561021443343 is a deficient number, since it is larger than the sum of its proper divisors (4318935265).

41561021443343 is an equidigital number, since it uses as much as digits as its factorization.

41561021443343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318935264.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 41561021443343 its reverse (34334412016514), we get a palindrome (75895433459857).

The spelling of 41561021443343 in words is "forty-one trillion, five hundred sixty-one billion, twenty-one million, four hundred forty-three thousand, three hundred forty-three".