11243014220447 has 2 divisors, whose sum is σ = 11243014220448. Its totient is φ = 11243014220446.

The previous prime is 11243014220401. The next prime is 11243014220467. The reversal of 11243014220447 is 74402241034211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11243014220447 - 2¹⁴ = 11243014204063 is a prime.

It is a super-2 number, since 2×11243014220447² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243014220467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621507110223 + 5621507110224.

It is an arithmetic number, because the mean of its divisors is an integer number (5621507110224).

Almost surely, 2^{11243014220447} is an apocalyptic number.

11243014220447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243014220447 is an equidigital number, since it uses as much as digits as its factorization.

11243014220447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 11243014220447 its reverse (74402241034211), we get a palindrome (85645255254658).

The spelling of 11243014220447 in words is "eleven trillion, two hundred forty-three billion, fourteen million, two hundred twenty thousand, four hundred forty-seven".