1113031456 has 48 divisors (see below), whose sum is σ = 2291212224. Its totient is φ = 531235584.

The previous prime is 1113031427. The next prime is 1113031481. The reversal of 1113031456 is 6541303111.

It is a self number, because there is not a number n which added to its sum of digits gives 1113031456.

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, 449935 + ... + 452401.

It is an arithmetic number, because the mean of its divisors is an integer number (47733588).

Almost surely, 2^1113031456 is an apocalyptic number.

1113031456 is a gapful number since it is divisible by the number (16) 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 1113031456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145606112).

1113031456 is an abundant number, since it is smaller than the sum of its proper divisors (1178180768).

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

1113031456 is a wasteful number, since it uses less digits than its factorization.

1113031456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1113031456 is about 33362.1260713402. The cubic root of 1113031456 is about 1036.3405210286.

Adding to 1113031456 its reverse (6541303111), we get a palindrome (7654334567).

The spelling of 1113031456 in words is "one billion, one hundred thirteen million, thirty-one thousand, four hundred fifty-six".