1224354055543 has 2 divisors, whose sum is σ = 1224354055544. Its totient is φ = 1224354055542.

The previous prime is 1224354055427. The next prime is 1224354055571. The reversal of 1224354055543 is 3455504534221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3455504534221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224354055543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224354055543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224354055343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612177027771 + 612177027772.

It is an arithmetic number, because the mean of its divisors is an integer number (612177027772).

Almost surely, 2^{1224354055543} is an apocalyptic number.

1224354055543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224354055543 is an equidigital number, since it uses as much as digits as its factorization.

1224354055543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 1224354055543 its reverse (3455504534221), we get a palindrome (4679858589764).

The spelling of 1224354055543 in words is "one trillion, two hundred twenty-four billion, three hundred fifty-four million, fifty-five thousand, five hundred forty-three".