41121530345321 has 4 divisors (see below), whose sum is σ = 41122219565700. Its totient is φ = 41120841124944.

The previous prime is 41121530345227. The next prime is 41121530345323. The reversal of 41121530345321 is 12354303512114.

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 35516403070096 + 5605127275225 = 5959564^2 + 2367515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41121530345321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41121530345323) 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, 344520686 + ... + 344640023.

It is an arithmetic number, because the mean of its divisors is an integer number (10280554891425).

Almost surely, 2^{41121530345321} is an apocalyptic number.

It is an amenable number.

41121530345321 is a deficient number, since it is larger than the sum of its proper divisors (689220379).

41121530345321 is an equidigital number, since it uses as much as digits as its factorization.

41121530345321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689220378.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 41121530345321 its reverse (12354303512114), we get a palindrome (53475833857435).

The spelling of 41121530345321 in words is "forty-one trillion, one hundred twenty-one billion, five hundred thirty million, three hundred forty-five thousand, three hundred twenty-one".