9686711121 has 16 divisors (see below), whose sum is σ = 13169939328. Its totient is φ = 6331651200.

The previous prime is 9686711107. The next prime is 9686711137. The reversal of 9686711121 is 1211176869.

It is not a de Polignac number, because 9686711121 - 2¹⁰ = 9686710097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9686711171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87076 + ... + 164181.

It is an arithmetic number, because the mean of its divisors is an integer number (823121208).

Almost surely, 2^9686711121 is an apocalyptic number.

It is an amenable number.

9686711121 is a deficient number, since it is larger than the sum of its proper divisors (3483228207).

9686711121 is a wasteful number, since it uses less digits than its factorization.

9686711121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251512.

The product of its digits is 36288, while the sum is 42.

The square root of 9686711121 is about 98421.0908342313. The cubic root of 9686711121 is about 2131.6968794220.

The spelling of 9686711121 in words is "nine billion, six hundred eighty-six million, seven hundred eleven thousand, one hundred twenty-one".