1224255205153 has 2 divisors, whose sum is σ = 1224255205154. Its totient is φ = 1224255205152.

The previous prime is 1224255205127. The next prime is 1224255205181. The reversal of 1224255205153 is 3515025524221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107665736849 + 116589468304 = 1052457^2 + 341452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224255205153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224255202153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612127602576 + 612127602577.

It is an arithmetic number, because the mean of its divisors is an integer number (612127602577).

Almost surely, 2^{1224255205153} is an apocalyptic number.

It is an amenable number.

1224255205153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224255205153 is an equidigital number, since it uses as much as digits as its factorization.

1224255205153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1224255205153 in words is "one trillion, two hundred twenty-four billion, two hundred fifty-five million, two hundred five thousand, one hundred fifty-three".