11424105344021 has 2 divisors, whose sum is σ = 11424105344022. Its totient is φ = 11424105344020.

The previous prime is 11424105343997. The next prime is 11424105344033. The reversal of 11424105344021 is 12044350142411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8215389062500 + 3208716281521 = 2866250^2 + 1791289^2 .

It is a cyclic number.

It is not a de Polignac number, because 11424105344021 - 2⁴² = 7026058832917 is a prime.

It is a super-2 number, since 2×11424105344021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11424105344621) 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, 5712052672010 + 5712052672011.

It is an arithmetic number, because the mean of its divisors is an integer number (5712052672011).

Almost surely, 2^{11424105344021} is an apocalyptic number.

It is an amenable number.

11424105344021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11424105344021 is an equidigital number, since it uses as much as digits as its factorization.

11424105344021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 11424105344021 its reverse (12044350142411), we get a palindrome (23468455486432).

The spelling of 11424105344021 in words is "eleven trillion, four hundred twenty-four billion, one hundred five million, three hundred forty-four thousand, twenty-one".