11445111563 has 2 divisors, whose sum is σ = 11445111564. Its totient is φ = 11445111562.

The previous prime is 11445111547. The next prime is 11445111571. The reversal of 11445111563 is 36511154411.

It is a strong prime.

It is an emirp because it is prime and its reverse (36511154411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11445111563 - 2⁴ = 11445111547 is a prime.

It is a super-3 number, since 3×11445111563³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11445111533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722555781 + 5722555782.

It is an arithmetic number, because the mean of its divisors is an integer number (5722555782).

Almost surely, 2^11445111563 is an apocalyptic number.

11445111563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11445111563 is an equidigital number, since it uses as much as digits as its factorization.

11445111563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

Adding to 11445111563 its reverse (36511154411), we get a palindrome (47956265974).

The spelling of 11445111563 in words is "eleven billion, four hundred forty-five million, one hundred eleven thousand, five hundred sixty-three".