1118528386 has 8 divisors (see below), whose sum is σ = 1687491324. Its totient is φ = 556031280.

The previous prime is 1118528371. The next prime is 1118528399. The reversal of 1118528386 is 6838258111.

It can be written as a sum of positive squares in 2 ways, for example, as 1060479225 + 58049161 = 32565^2 + 7619^2 .

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

It is a super-2 number, since 2×1118528386² = 2502211500575529992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616025 + ... + 1616716.

Almost surely, 2^1118528386 is an apocalyptic number.

1118528386 is a deficient number, since it is larger than the sum of its proper divisors (568962938).

1118528386 is a wasteful number, since it uses less digits than its factorization.

1118528386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232916.

The product of its digits is 92160, while the sum is 43.

The square root of 1118528386 is about 33444.4073949592. The cubic root of 1118528386 is about 1038.0437789285.

The spelling of 1118528386 in words is "one billion, one hundred eighteen million, five hundred twenty-eight thousand, three hundred eighty-six".