1118439563 has 2 divisors, whose sum is σ = 1118439564. Its totient is φ = 1118439562.

The previous prime is 1118439529. The next prime is 1118439629. The reversal of 1118439563 is 3659348111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1118439563 - 2¹⁰ = 1118438539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1118439563.

It is not a weakly prime, because it can be changed into another prime (1118439523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559219781 + 559219782.

It is an arithmetic number, because the mean of its divisors is an integer number (559219782).

Almost surely, 2^1118439563 is an apocalyptic number.

1118439563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118439563 is an equidigital number, since it uses as much as digits as its factorization.

1118439563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 1118439563 is about 33443.0794485197. The cubic root of 1118439563 is about 1038.0163009779.

The spelling of 1118439563 in words is "one billion, one hundred eighteen million, four hundred thirty-nine thousand, five hundred sixty-three".