9711212116145 has 16 divisors (see below), whose sum is σ = 11773931243520. Its totient is φ = 7688951028864.

The previous prime is 9711212116139. The next prime is 9711212116157. The reversal of 9711212116145 is 5416112121179.

It is a cyclic number.

It is not a de Polignac number, because 9711212116145 - 2⁸ = 9711212115889 is a prime.

It is a super-2 number, since 2×9711212116145² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 18436187 + ... + 18955616.

It is an arithmetic number, because the mean of its divisors is an integer number (735870702720).

Almost surely, 2^{9711212116145} is an apocalyptic number.

It is an amenable number.

9711212116145 is a deficient number, since it is larger than the sum of its proper divisors (2062719127375).

9711212116145 is a wasteful number, since it uses less digits than its factorization.

9711212116145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37392344.

The product of its digits is 30240, while the sum is 41.

The spelling of 9711212116145 in words is "nine trillion, seven hundred eleven billion, two hundred twelve million, one hundred sixteen thousand, one hundred forty-five".