1113711456 has 192 divisors, whose sum is σ = 3546740736. Its totient is φ = 301363200.

The previous prime is 1113711449. The next prime is 1113711457. The reversal of 1113711456 is 6541173111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113711457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424260 + ... + 426876.

It is an arithmetic number, because the mean of its divisors is an integer number (18472608).

Almost surely, 2^1113711456 is an apocalyptic number.

1113711456 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 1113711456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773370368).

1113711456 is an abundant number, since it is smaller than the sum of its proper divisors (2433029280).

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

1113711456 is a wasteful number, since it uses less digits than its factorization.

1113711456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2677 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 1113711456 is about 33372.3157122786. The cubic root of 1113711456 is about 1036.5515267721.

Adding to 1113711456 its reverse (6541173111), we get a palindrome (7654884567).

The spelling of 1113711456 in words is "one billion, one hundred thirteen million, seven hundred eleven thousand, four hundred fifty-six".