11516564453 has 2 divisors, whose sum is σ = 11516564454. Its totient is φ = 11516564452.

The previous prime is 11516564441. The next prime is 11516564467. The reversal of 11516564453 is 35446561511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9847188289 + 1669376164 = 99233^2 + 40858^2 .

It is an emirp because it is prime and its reverse (35446561511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11516564453 - 2¹⁸ = 11516302309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11516564453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11516534453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758282226 + 5758282227.

It is an arithmetic number, because the mean of its divisors is an integer number (5758282227).

Almost surely, 2^11516564453 is an apocalyptic number.

It is an amenable number.

11516564453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11516564453 is an equidigital number, since it uses as much as digits as its factorization.

11516564453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The spelling of 11516564453 in words is "eleven billion, five hundred sixteen million, five hundred sixty-four thousand, four hundred fifty-three".