1118504573 has 2 divisors, whose sum is σ = 1118504574. Its totient is φ = 1118504572.

The previous prime is 1118504557. The next prime is 1118504587. The reversal of 1118504573 is 3754058111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011112804 + 107391769 = 31798^2 + 10363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118504573 - 2⁴ = 1118504557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118504173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559252286 + 559252287.

It is an arithmetic number, because the mean of its divisors is an integer number (559252287).

Almost surely, 2^1118504573 is an apocalyptic number.

It is an amenable number.

1118504573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118504573 is an equidigital number, since it uses as much as digits as its factorization.

1118504573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1118504573 is about 33444.0513843643. The cubic root of 1118504573 is about 1038.0364123708.

The spelling of 1118504573 in words is "one billion, one hundred eighteen million, five hundred four thousand, five hundred seventy-three".