12535005505453 has 2 divisors, whose sum is σ = 12535005505454. Its totient is φ = 12535005505452.

The previous prime is 12535005505439. The next prime is 12535005505489. The reversal of 12535005505453 is 35450550053521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9865108329129 + 2669897176324 = 3140877^2 + 1633982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12535005505453 is a prime.

It is a super-3 number, since 3×12535005505453³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12535005505753) 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, 6267502752726 + 6267502752727.

It is an arithmetic number, because the mean of its divisors is an integer number (6267502752727).

Almost surely, 2^{12535005505453} is an apocalyptic number.

It is an amenable number.

12535005505453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535005505453 is an equidigital number, since it uses as much as digits as its factorization.

12535005505453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125000, while the sum is 43.

Adding to 12535005505453 its reverse (35450550053521), we get a palindrome (47985555558974).

The spelling of 12535005505453 in words is "twelve trillion, five hundred thirty-five billion, five million, five hundred five thousand, four hundred fifty-three".