2111368680 has 96 divisors (see below), whose sum is σ = 7116127200. Its totient is φ = 563029056.

The previous prime is 2111368663. The next prime is 2111368681. The reversal of 2111368680 is 868631112.

2111368680 is a `hidden beast` number, since 211 + 1 + 368 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2111368681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98890 + ... + 118329.

It is an arithmetic number, because the mean of its divisors is an integer number (74126325).

Almost surely, 2^2111368680 is an apocalyptic number.

2111368680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111368680 is an abundant number, since it is smaller than the sum of its proper divisors (5004758520).

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

2111368680 is a wasteful number, since it uses less digits than its factorization.

2111368680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217245 (or 217229 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2111368680 is about 45949.6319898212. The cubic root of 2111368680 is about 1282.8858795756.

Adding to 2111368680 its reverse (868631112), we get a palindrome (2979999792).

The spelling of 2111368680 in words is "two billion, one hundred eleven million, three hundred sixty-eight thousand, six hundred eighty".