2680011111 has 8 divisors (see below), whose sum is σ = 3649377024. Its totient is φ = 1748659640.

The previous prime is 2680011109. The next prime is 2680011119. The reversal of 2680011111 is 1111100862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2680011111 - 2¹ = 2680011109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680011119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9503445 + ... + 9503726.

It is an arithmetic number, because the mean of its divisors is an integer number (456172128).

Almost surely, 2^2680011111 is an apocalyptic number.

2680011111 is a deficient number, since it is larger than the sum of its proper divisors (969365913).

2680011111 is a wasteful number, since it uses less digits than its factorization.

2680011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19007221.

The product of its (nonzero) digits is 96, while the sum is 21.

The square root of 2680011111 is about 51768.8237359127. The cubic root of 2680011111 is about 1389.0318311948.

Adding to 2680011111 its reverse (1111100862), we get a palindrome (3791111973).

The spelling of 2680011111 in words is "two billion, six hundred eighty million, eleven thousand, one hundred eleven".