65116111650121 has 32 divisors (see below), whose sum is σ = 81041128416000. Its totient is φ = 51049933869312.

The previous prime is 65116111650091. The next prime is 65116111650157. The reversal of 65116111650121 is 12105611161156.

65116111650121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65116111650121 - 2¹³ = 65116111641929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65116111656121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66583935 + ... + 67554811.

It is an arithmetic number, because the mean of its divisors is an integer number (2532535263000).

Almost surely, 2^{65116111650121} is an apocalyptic number.

It is an amenable number.

65116111650121 is a deficient number, since it is larger than the sum of its proper divisors (15925016765879).

65116111650121 is a wasteful number, since it uses less digits than its factorization.

65116111650121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988321.

The product of its (nonzero) digits is 10800, while the sum is 37.

The spelling of 65116111650121 in words is "sixty-five trillion, one hundred sixteen billion, one hundred eleven million, six hundred fifty thousand, one hundred twenty-one".