9885680111 has 2 divisors, whose sum is σ = 9885680112. Its totient is φ = 9885680110.

The previous prime is 9885680087. The next prime is 9885680141. The reversal of 9885680111 is 1110865889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9885680111 - 2¹⁰ = 9885679087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9885680141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942840055 + 4942840056.

It is an arithmetic number, because the mean of its divisors is an integer number (4942840056).

Almost surely, 2^9885680111 is an apocalyptic number.

9885680111 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885680111 is an equidigital number, since it uses as much as digits as its factorization.

9885680111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 47.

The square root of 9885680111 is about 99426.7575202973. The cubic root of 9885680111 is about 2146.1933804497.

The spelling of 9885680111 in words is "nine billion, eight hundred eighty-five million, six hundred eighty thousand, one hundred eleven".