2113761000 has 256 divisors, whose sum is σ = 7198813440. Its totient is φ = 513254400.

The previous prime is 2113760993. The next prime is 2113761061. The reversal of 2113761000 is 1673112.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3236674 + ... + 3237326.

It is an arithmetic number, because the mean of its divisors is an integer number (28120365).

Almost surely, 2^2113761000 is an apocalyptic number.

2113761000 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 2113761000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3599406720).

2113761000 is an abundant number, since it is smaller than the sum of its proper divisors (5085052440).

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

2113761000 is a wasteful number, since it uses less digits than its factorization.

2113761000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 2113761000 is about 45975.6566021628. The cubic root of 2113761000 is about 1283.3702281329.

The spelling of 2113761000 in words is "two billion, one hundred thirteen million, seven hundred sixty-one thousand".