1118008505 has 16 divisors (see below), whose sum is σ = 1388945664. Its totient is φ = 863372160.

The previous prime is 1118008481. The next prime is 1118008511. The reversal of 1118008505 is 5058008111.

It is not a de Polignac number, because 1118008505 - 2⁸ = 1118008249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15431 + ... + 49740.

It is an arithmetic number, because the mean of its divisors is an integer number (86809104).

Almost surely, 2^1118008505 is an apocalyptic number.

It is an amenable number.

1118008505 is a deficient number, since it is larger than the sum of its proper divisors (270937159).

1118008505 is an equidigital number, since it uses as much as digits as its factorization.

1118008505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65296.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 1118008505 is about 33436.6341757061. The cubic root of 1118008505 is about 1037.8829298237.

The spelling of 1118008505 in words is "one billion, one hundred eighteen million, eight thousand, five hundred five".