24355566420481 has 2 divisors, whose sum is σ = 24355566420482. Its totient is φ = 24355566420480.

The previous prime is 24355566420439. The next prime is 24355566420499. The reversal of 24355566420481 is 18402466555342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24348145459456 + 7420961025 = 4934384^2 + 86145^2 .

It is a cyclic number.

It is not a de Polignac number, because 24355566420481 - 2¹⁷ = 24355566289409 is a prime.

It is a super-2 number, since 2×24355566420481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24355506420481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12177783210240 + 12177783210241.

It is an arithmetic number, because the mean of its divisors is an integer number (12177783210241).

Almost surely, 2^{24355566420481} is an apocalyptic number.

It is an amenable number.

24355566420481 is a deficient number, since it is larger than the sum of its proper divisors (1).

24355566420481 is an equidigital number, since it uses as much as digits as its factorization.

24355566420481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648000, while the sum is 55.

The spelling of 24355566420481 in words is "twenty-four trillion, three hundred fifty-five billion, five hundred sixty-six million, four hundred twenty thousand, four hundred eighty-one".