1118888112 has 40 divisors (see below), whose sum is σ = 3042592960. Its totient is φ = 353332800.

The previous prime is 1118888087. The next prime is 1118888171. The reversal of 1118888112 is 2118888111.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612514 + ... + 614337.

It is an arithmetic number, because the mean of its divisors is an integer number (76064824).

Almost surely, 2^1118888112 is an apocalyptic number.

1118888112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1118888112 is an abundant number, since it is smaller than the sum of its proper divisors (1923704848).

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

1118888112 is a wasteful number, since it uses less digits than its factorization.

1118888112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226881 (or 1226875 counting only the distinct ones).

The product of its digits is 8192, while the sum is 39.

The square root of 1118888112 is about 33449.7849320440. The cubic root of 1118888112 is about 1038.1550475435.

Subtracting 1118888112 from its reverse (2118888111), we obtain a palindrome (999999999).

The spelling of 1118888112 in words is "one billion, one hundred eighteen million, eight hundred eighty-eight thousand, one hundred twelve".