41355353221121 has 4 divisors (see below), whose sum is σ = 41358378719700. Its totient is φ = 41352327722544.

The previous prime is 41355353221099. The next prime is 41355353221211. The reversal of 41355353221121 is 12112235355314.

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 24619072221121 + 16736281000000 = 4961761^2 + 4091000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41355353221121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41355353221921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512728786 + ... + 1512756123.

It is an arithmetic number, because the mean of its divisors is an integer number (10339594679925).

Almost surely, 2^{41355353221121} is an apocalyptic number.

It is an amenable number.

41355353221121 is a deficient number, since it is larger than the sum of its proper divisors (3025498579).

41355353221121 is a wasteful number, since it uses less digits than its factorization.

41355353221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025498578.

The product of its digits is 108000, while the sum is 38.

Adding to 41355353221121 its reverse (12112235355314), we get a palindrome (53467588576435).

The spelling of 41355353221121 in words is "forty-one trillion, three hundred fifty-five billion, three hundred fifty-three million, two hundred twenty-one thousand, one hundred twenty-one".