9876654331111 has 12 divisors (see below), whose sum is σ = 10098652151088. Its totient is φ = 9659438462912.

The previous prime is 9876654331079. The next prime is 9876654331123. The reversal of 9876654331111 is 1111334566789.

It is a happy number.

It is not a de Polignac number, because 9876654331111 - 2⁵ = 9876654331079 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876654341111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384335 + ... + 4655071.

It is an arithmetic number, because the mean of its divisors is an integer number (841554345924).

Almost surely, 2^{9876654331111} is an apocalyptic number.

9876654331111 is a deficient number, since it is larger than the sum of its proper divisors (221997819977).

9876654331111 is a wasteful number, since it uses less digits than its factorization.

9876654331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272198 (or 3272151 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The spelling of 9876654331111 in words is "nine trillion, eight hundred seventy-six billion, six hundred fifty-four million, three hundred thirty-one thousand, one hundred eleven".