11305520453 has 2 divisors, whose sum is σ = 11305520454. Its totient is φ = 11305520452.

The previous prime is 11305520449. The next prime is 11305520503. The reversal of 11305520453 is 35402550311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7242350404 + 4063170049 = 85102^2 + 63743^2 .

It is an emirp because it is prime and its reverse (35402550311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11305520453 - 2² = 11305520449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11305520753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652760226 + 5652760227.

It is an arithmetic number, because the mean of its divisors is an integer number (5652760227).

Almost surely, 2^11305520453 is an apocalyptic number.

It is an amenable number.

11305520453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11305520453 is an equidigital number, since it uses as much as digits as its factorization.

11305520453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 11305520453 in words is "eleven billion, three hundred five million, five hundred twenty thousand, four hundred fifty-three".