1113637056 has 112 divisors (see below), whose sum is σ = 3476183040. Its totient is φ = 307906560.

The previous prime is 1113636971. The next prime is 1113637067. The reversal of 1113637056 is 6507363111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28300 + ... + 55028.

Almost surely, 2^1113637056 is an apocalyptic number.

1113637056 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 1113637056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738091520).

1113637056 is an abundant number, since it is smaller than the sum of its proper divisors (2362545984).

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

1113637056 is a wasteful number, since it uses less digits than its factorization.

1113637056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26782 (or 26772 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1113637056 is about 33371.2009972671. The cubic root of 1113637056 is about 1036.5284444467.

The spelling of 1113637056 in words is "one billion, one hundred thirteen million, six hundred thirty-seven thousand, fifty-six".