11195563 has 2 divisors, whose sum is σ = 11195564. Its totient is φ = 11195562.

The previous prime is 11195551. The next prime is 11195603. The reversal of 11195563 is 36559111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11195563 is a prime.

It is not a weakly prime, because it can be changed into another prime (11195533) 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, 5597781 + 5597782.

It is an arithmetic number, because the mean of its divisors is an integer number (5597782).

Almost surely, 2^11195563 is an apocalyptic number.

11195563 is the 1789-th centered heptagonal number.

11195563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195563 is an equidigital number, since it uses as much as digits as its factorization.

11195563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 31.

The square root of 11195563 is about 3345.9771368017. The cubic root of 11195563 is about 223.7082391398.

The spelling of 11195563 in words is "eleven million, one hundred ninety-five thousand, five hundred sixty-three".