2111808060 has 72 divisors (see below), whose sum is σ = 6411525120. Its totient is φ = 562647168.

The previous prime is 2111808053. The next prime is 2111808077. The reversal of 2111808060 is 608081112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225634 + ... + 234806.

It is an arithmetic number, because the mean of its divisors is an integer number (89048960).

Almost surely, 2^2111808060 is an apocalyptic number.

2111808060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111808060 is an abundant number, since it is smaller than the sum of its proper divisors (4299717060).

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

2111808060 is a wasteful number, since it uses less digits than its factorization.

2111808060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467 (or 10462 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 2111808060 is about 45954.4128457758. The cubic root of 2111808060 is about 1282.9748637666.

Adding to 2111808060 its reverse (608081112), we get a palindrome (2719889172).

The spelling of 2111808060 in words is "two billion, one hundred eleven million, eight hundred eight thousand, sixty".