13124521145453 has 2 divisors, whose sum is σ = 13124521145454. Its totient is φ = 13124521145452.

The previous prime is 13124521145341. The next prime is 13124521145471. The reversal of 13124521145453 is 35454112542131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12908484894244 + 216036251209 = 3592838^2 + 464797^2 .

It is a cyclic number.

It is not a de Polignac number, because 13124521145453 - 2²⁴ = 13124504368237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13124521145453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13124521144453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562260572726 + 6562260572727.

It is an arithmetic number, because the mean of its divisors is an integer number (6562260572727).

Almost surely, 2^{13124521145453} is an apocalyptic number.

It is an amenable number.

13124521145453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124521145453 is an equidigital number, since it uses as much as digits as its factorization.

13124521145453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 41.

Adding to 13124521145453 its reverse (35454112542131), we get a palindrome (48578633687584).

The spelling of 13124521145453 in words is "thirteen trillion, one hundred twenty-four billion, five hundred twenty-one million, one hundred forty-five thousand, four hundred fifty-three".