1131203222453 has 2 divisors, whose sum is σ = 1131203222454. Its totient is φ = 1131203222452.

The previous prime is 1131203222437. The next prime is 1131203222473. The reversal of 1131203222453 is 3542223021311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022529484804 + 108673737649 = 1011202^2 + 329657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131203222453 - 2⁴ = 1131203222437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131203222473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565601611226 + 565601611227.

It is an arithmetic number, because the mean of its divisors is an integer number (565601611227).

Almost surely, 2^{1131203222453} is an apocalyptic number.

It is an amenable number.

1131203222453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131203222453 is an equidigital number, since it uses as much as digits as its factorization.

1131203222453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1131203222453 its reverse (3542223021311), we get a palindrome (4673426243764).

The spelling of 1131203222453 in words is "one trillion, one hundred thirty-one billion, two hundred three million, two hundred twenty-two thousand, four hundred fifty-three".