2113758080 has 128 divisors (see below), whose sum is σ = 5893560000. Its totient is φ = 724641792.

The previous prime is 2113758043. The next prime is 2113758103. The reversal of 2113758080 is 808573112.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2113758080.

It is a congruent number.

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, 214706 + ... + 224334.

Almost surely, 2^2113758080 is an apocalyptic number.

2113758080 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 2113758080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946780000).

2113758080 is an abundant number, since it is smaller than the sum of its proper divisors (3779801920).

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

2113758080 is an frugal number, since it uses more digits than its factorization.

2113758080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669 (or 9643 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 2113758080 is about 45975.6248462161. The cubic root of 2113758080 is about 1283.3696371732.

The spelling of 2113758080 in words is "two billion, one hundred thirteen million, seven hundred fifty-eight thousand, eighty".