1113808992 has 192 divisors, whose sum is σ = 3213665280. Its totient is φ = 336420864.

The previous prime is 1113808963. The next prime is 1113809023. The reversal of 1113808992 is 2998083111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6833103 + ... + 6833265.

It is an arithmetic number, because the mean of its divisors is an integer number (16737840).

Almost surely, 2^1113808992 is an apocalyptic number.

1113808992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113808992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606832640).

1113808992 is an abundant number, since it is smaller than the sum of its proper divisors (2099856288).

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

1113808992 is a wasteful number, since it uses less digits than its factorization.

1113808992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 1113808992 is about 33373.7770113004. Note that the first 3 decimals coincide. The cubic root of 1113808992 is about 1036.5817853991.

The spelling of 1113808992 in words is "one billion, one hundred thirteen million, eight hundred eight thousand, nine hundred ninety-two".