1113063840 has 288 divisors, whose sum is σ = 4530629376. Its totient is φ = 243302400.

The previous prime is 1113063839. The next prime is 1113063841. The reversal of 1113063840 is 483603111.

1113063840 is a `hidden beast` number, since 11 + 13 + 0 + 638 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1113063839) and next prime (1113063841).

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1113063840² = 2477822223831091200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113063841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229440 + ... + 234240.

It is an arithmetic number, because the mean of its divisors is an integer number (15731352).

Almost surely, 2^1113063840 is an apocalyptic number.

1113063840 is a gapful number since it is divisible by the number (10) 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 1113063840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2265314688).

1113063840 is an abundant number, since it is smaller than the sum of its proper divisors (3417565536).

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

1113063840 is a wasteful number, since it uses less digits than its factorization.

1113063840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1113063840 is about 33362.6114085813. The cubic root of 1113063840 is about 1036.3505718155.

Adding to 1113063840 its reverse (483603111), we get a palindrome (1596666951).

The spelling of 1113063840 in words is "one billion, one hundred thirteen million, sixty-three thousand, eight hundred forty".