1118490505 has 8 divisors (see below), whose sum is σ = 1464205824. Its totient is φ = 813447600.

The previous prime is 1118490491. The next prime is 1118490511. The reversal of 1118490505 is 5050948111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118490505 - 2⁷ = 1118490377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10168041 + ... + 10168150.

It is an arithmetic number, because the mean of its divisors is an integer number (183025728).

Almost surely, 2^1118490505 is an apocalyptic number.

It is an amenable number.

1118490505 is a deficient number, since it is larger than the sum of its proper divisors (345715319).

1118490505 is a wasteful number, since it uses less digits than its factorization.

1118490505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20336207.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1118490505 is about 33443.8410622943. The cubic root of 1118490505 is about 1038.0320603822.

The spelling of 1118490505 in words is "one billion, one hundred eighteen million, four hundred ninety thousand, five hundred five".