1225553032453 has 2 divisors, whose sum is σ = 1225553032454. Its totient is φ = 1225553032452.

The previous prime is 1225553032427. The next prime is 1225553032481. The reversal of 1225553032453 is 3542303555221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112470139169 + 113082893284 = 1054737^2 + 336278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225553032453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225553038453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612776516226 + 612776516227.

It is an arithmetic number, because the mean of its divisors is an integer number (612776516227).

Almost surely, 2^{1225553032453} is an apocalyptic number.

It is an amenable number.

1225553032453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225553032453 is an equidigital number, since it uses as much as digits as its factorization.

1225553032453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 1225553032453 its reverse (3542303555221), we get a palindrome (4767856587674).

The spelling of 1225553032453 in words is "one trillion, two hundred twenty-five billion, five hundred fifty-three million, thirty-two thousand, four hundred fifty-three".