1121302356563 has 2 divisors, whose sum is σ = 1121302356564. Its totient is φ = 1121302356562.

The previous prime is 1121302356553. The next prime is 1121302356593. The reversal of 1121302356563 is 3656532031211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121302356563 - 2¹⁰ = 1121302355539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1121302356553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560651178281 + 560651178282.

It is an arithmetic number, because the mean of its divisors is an integer number (560651178282).

Almost surely, 2^{1121302356563} is an apocalyptic number.

1121302356563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121302356563 is an equidigital number, since it uses as much as digits as its factorization.

1121302356563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 1121302356563 its reverse (3656532031211), we get a palindrome (4777834387774).

The spelling of 1121302356563 in words is "one trillion, one hundred twenty-one billion, three hundred two million, three hundred fifty-six thousand, five hundred sixty-three".