11223615213563 has 2 divisors, whose sum is σ = 11223615213564. Its totient is φ = 11223615213562.

The previous prime is 11223615213541. The next prime is 11223615213581. The reversal of 11223615213563 is 36531251632211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11223615213563 - 2¹² = 11223615209467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11223615213563.

It is not a weakly prime, because it can be changed into another prime (11223615213533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611807606781 + 5611807606782.

It is an arithmetic number, because the mean of its divisors is an integer number (5611807606782).

Almost surely, 2^{11223615213563} is an apocalyptic number.

11223615213563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223615213563 is an equidigital number, since it uses as much as digits as its factorization.

11223615213563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

Adding to 11223615213563 its reverse (36531251632211), we get a palindrome (47754866845774).

The spelling of 11223615213563 in words is "eleven trillion, two hundred twenty-three billion, six hundred fifteen million, two hundred thirteen thousand, five hundred sixty-three".