1155302563 has 2 divisors, whose sum is σ = 1155302564. Its totient is φ = 1155302562.

The previous prime is 1155302521. The next prime is 1155302569. The reversal of 1155302563 is 3652035511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1155302563 - 2⁹ = 1155302051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155302569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577651281 + 577651282.

It is an arithmetic number, because the mean of its divisors is an integer number (577651282).

Almost surely, 2^1155302563 is an apocalyptic number.

1155302563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155302563 is an equidigital number, since it uses as much as digits as its factorization.

1155302563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1155302563 is about 33989.7420260878. The cubic root of 1155302563 is about 1049.2973569672.

The spelling of 1155302563 in words is "one billion, one hundred fifty-five million, three hundred two thousand, five hundred sixty-three".