1253561146063 has 2 divisors, whose sum is σ = 1253561146064. Its totient is φ = 1253561146062.

The previous prime is 1253561146051. The next prime is 1253561146067. The reversal of 1253561146063 is 3606411653521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253561146063 - 2¹⁷ = 1253561014991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253561146067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626780573031 + 626780573032.

It is an arithmetic number, because the mean of its divisors is an integer number (626780573032).

Almost surely, 2^{1253561146063} is an apocalyptic number.

1253561146063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253561146063 is an equidigital number, since it uses as much as digits as its factorization.

1253561146063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

Adding to 1253561146063 its reverse (3606411653521), we get a palindrome (4859972799584).

The spelling of 1253561146063 in words is "one trillion, two hundred fifty-three billion, five hundred sixty-one million, one hundred forty-six thousand, sixty-three".