13105405421041 has 8 divisors (see below), whose sum is σ = 13352879292840. Its totient is φ = 12857939033472.

The previous prime is 13105405421023. The next prime is 13105405421089. The reversal of 13105405421041 is 14012450450131.

It can be written as a sum of positive squares in 4 ways, for example, as 225230922225 + 12880174498816 = 474585^2 + 3588896^2 .

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 13105405421041 - 2²⁷ = 13105271203313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13105405420994 and 13105405421012.

It is not an unprimeable number, because it can be changed into a prime (13105405421741) 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, 1728931 + ... + 5403703.

It is an arithmetic number, because the mean of its divisors is an integer number (1669109911605).

Almost surely, 2^{13105405421041} is an apocalyptic number.

It is an amenable number.

13105405421041 is a deficient number, since it is larger than the sum of its proper divisors (247473871799).

13105405421041 is an equidigital number, since it uses as much as digits as its factorization.

13105405421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742115.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 13105405421041 its reverse (14012450450131), we get a palindrome (27117855871172).

The spelling of 13105405421041 in words is "thirteen trillion, one hundred five billion, four hundred five million, four hundred twenty-one thousand, forty-one".