2113336056 has 64 divisors (see below), whose sum is σ = 5699635200. Its totient is φ = 649127808.

The previous prime is 2113336051. The next prime is 2113336073. The reversal of 2113336056 is 6506333112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113336051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183805 + ... + 194963.

It is an arithmetic number, because the mean of its divisors is an integer number (89056800).

Almost surely, 2^2113336056 is an apocalyptic number.

2113336056 is a gapful number since it is divisible by the number (26) 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 2113336056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849817600).

2113336056 is an abundant number, since it is smaller than the sum of its proper divisors (3586299144).

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

2113336056 is a wasteful number, since it uses less digits than its factorization.

2113336056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788 (or 11784 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 2113336056 is about 45971.0349676837. The cubic root of 2113336056 is about 1283.2842207700.

Adding to 2113336056 its reverse (6506333112), we get a palindrome (8619669168).

The spelling of 2113336056 in words is "two billion, one hundred thirteen million, three hundred thirty-six thousand, fifty-six".