11680911 has 12 divisors (see below), whose sum is σ = 18406440. Its totient is φ = 7079280.

The previous prime is 11680909. The next prime is 11680919. The reversal of 11680911 is 11908611.

11680911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11680911 - 2¹ = 11680909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11680919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58896 + ... + 59093.

It is an arithmetic number, because the mean of its divisors is an integer number (1533870).

Almost surely, 2^11680911 is an apocalyptic number.

11680911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11680911 is a deficient number, since it is larger than the sum of its proper divisors (6725529).

11680911 is a wasteful number, since it uses less digits than its factorization.

11680911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118006 (or 118003 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 11680911 is about 3417.7347761346. The cubic root of 11680911 is about 226.8953375207.

The spelling of 11680911 in words is "eleven million, six hundred eighty thousand, nine hundred eleven".