65094191121 has 32 divisors (see below), whose sum is σ = 91976256000. Its totient is φ = 40835467008.

The previous prime is 65094191117. The next prime is 65094191153. The reversal of 65094191121 is 12119149056.

It is not a de Polignac number, because 65094191121 - 2² = 65094191117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65094191121.

It is not an unprimeable number, because it can be changed into a prime (65094191161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10291666 + ... + 10297988.

It is an arithmetic number, because the mean of its divisors is an integer number (2874258000).

Almost surely, 2^65094191121 is an apocalyptic number.

It is an amenable number.

65094191121 is a deficient number, since it is larger than the sum of its proper divisors (26882064879).

65094191121 is a wasteful number, since it uses less digits than its factorization.

65094191121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 65094191121 in words is "sixty-five billion, ninety-four million, one hundred ninety-one thousand, one hundred twenty-one".