2125564242253 has 2 divisors, whose sum is σ = 2125564242254. Its totient is φ = 2125564242252.

The previous prime is 2125564242239. The next prime is 2125564242287. The reversal of 2125564242253 is 3522424655212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270009540809 + 855554701444 = 1126947^2 + 924962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125564242253 - 2⁹ = 2125564241741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125564242653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062782121126 + 1062782121127.

It is an arithmetic number, because the mean of its divisors is an integer number (1062782121127).

Almost surely, 2^{2125564242253} is an apocalyptic number.

It is an amenable number.

2125564242253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125564242253 is an equidigital number, since it uses as much as digits as its factorization.

2125564242253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152000, while the sum is 43.

Adding to 2125564242253 its reverse (3522424655212), we get a palindrome (5647988897465).

The spelling of 2125564242253 in words is "two trillion, one hundred twenty-five billion, five hundred sixty-four million, two hundred forty-two thousand, two hundred fifty-three".