1117200618 has 12 divisors (see below), whose sum is σ = 2420601378. Its totient is φ = 372400200.

The previous prime is 1117200583. The next prime is 1117200631. The reversal of 1117200618 is 8160027111.

1117200618 is a `hidden beast` number, since 11 + 17 + 20 + 0 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 590635809 + 526564809 = 24303^2 + 22947^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1117200591 and 1117200600.

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 5 ways as a sum of consecutive naturals, for example, 31033333 + ... + 31033368.

Almost surely, 2^1117200618 is an apocalyptic number.

1117200618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1117200618 is an abundant number, since it is smaller than the sum of its proper divisors (1303400760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1117200618 is a wasteful number, since it uses less digits than its factorization.

1117200618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62066709 (or 62066706 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 1117200618 is about 33424.5511263801. The cubic root of 1117200618 is about 1037.6328738321.

Adding to 1117200618 its reverse (8160027111), we get a palindrome (9277227729).

The spelling of 1117200618 in words is "one billion, one hundred seventeen million, two hundred thousand, six hundred eighteen".