11223615213247 has 2 divisors, whose sum is σ = 11223615213248. Its totient is φ = 11223615213246.

The previous prime is 11223615213227. The next prime is 11223615213263. The reversal of 11223615213247 is 74231251632211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11223615213247 - 2³¹ = 11221467729599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11223615213227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611807606623 + 5611807606624.

It is an arithmetic number, because the mean of its divisors is an integer number (5611807606624).

Almost surely, 2^{11223615213247} is an apocalyptic number.

11223615213247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223615213247 is an equidigital number, since it uses as much as digits as its factorization.

11223615213247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

Adding to 11223615213247 its reverse (74231251632211), we get a palindrome (85454866845458).

The spelling of 11223615213247 in words is "eleven trillion, two hundred twenty-three billion, six hundred fifteen million, two hundred thirteen thousand, two hundred forty-seven".