1118034805 has 4 divisors (see below), whose sum is σ = 1341641772. Its totient is φ = 894427840.

The previous prime is 1118034793. The next prime is 1118034811. The reversal of 1118034805 is 5084308111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195272676 + 922762129 = 13974^2 + 30377^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1118034805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111803476 + ... + 111803485.

It is an arithmetic number, because the mean of its divisors is an integer number (335410443).

Almost surely, 2^1118034805 is an apocalyptic number.

It is an amenable number.

1118034805 is a deficient number, since it is larger than the sum of its proper divisors (223606967).

1118034805 is an equidigital number, since it uses as much as digits as its factorization.

1118034805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223606966.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1118034805 is about 33437.0274546049. The cubic root of 1118034805 is about 1037.8910681360.

The spelling of 1118034805 in words is "one billion, one hundred eighteen million, thirty-four thousand, eight hundred five".