10003445411521 has 2 divisors, whose sum is σ = 10003445411522. Its totient is φ = 10003445411520.

The previous prime is 10003445411513. The next prime is 10003445411567. The reversal of 10003445411521 is 12511454430001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8455673042496 + 1547772369025 = 2907864^2 + 1244095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003445411521 - 2³ = 10003445411513 is a prime.

It is not a weakly prime, because it can be changed into another prime (10003445411501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001722705760 + 5001722705761.

It is an arithmetic number, because the mean of its divisors is an integer number (5001722705761).

Almost surely, 2^{10003445411521} is an apocalyptic number.

It is an amenable number.

10003445411521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003445411521 is an equidigital number, since it uses as much as digits as its factorization.

10003445411521 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10003445411521 its reverse (12511454430001), we get a palindrome (22514899841522).

The spelling of 10003445411521 in words is "ten trillion, three billion, four hundred forty-five million, four hundred eleven thousand, five hundred twenty-one".