2113615360 has 80 divisors (see below), whose sum is σ = 5288206176. Its totient is φ = 808665088.

The previous prime is 2113615331. The next prime is 2113615363. The reversal of 2113615360 is 635163112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113615363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40932 + ... + 76828.

Almost surely, 2^2113615360 is an apocalyptic number.

2113615360 is a gapful number since it is divisible by the number (20) 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 2113615360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2644103088).

2113615360 is an abundant number, since it is smaller than the sum of its proper divisors (3174590816).

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

2113615360 is an equidigital number, since it uses as much as digits as its factorization.

2113615360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35943 (or 35927 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2113615360 is about 45974.0726932039. The cubic root of 2113615360 is about 1283.3407523418.

Adding to 2113615360 its reverse (635163112), we get a palindrome (2748778472).

The spelling of 2113615360 in words is "two billion, one hundred thirteen million, six hundred fifteen thousand, three hundred sixty".