65111311311157 has 16 divisors (see below), whose sum is σ = 65752687024128. Its totient is φ = 64471090844160.

The previous prime is 65111311311119. The next prime is 65111311311161. The reversal of 65111311311157 is 75111311311156.

It is a cyclic number.

It is not a de Polignac number, because 65111311311157 - 2⁷ = 65111311311029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65111311311107) 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, 1672890057 + ... + 1672928977.

It is an arithmetic number, because the mean of its divisors is an integer number (4109542939008).

Almost surely, 2^{65111311311157} is an apocalyptic number.

It is an amenable number.

65111311311157 is a deficient number, since it is larger than the sum of its proper divisors (641375712971).

65111311311157 is a wasteful number, since it uses less digits than its factorization.

65111311311157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53340.

The product of its digits is 9450, while the sum is 37.

Subtracting 65111311311157 from its reverse (75111311311156), we obtain a palindrome (9999999999999).

The spelling of 65111311311157 in words is "sixty-five trillion, one hundred eleven billion, three hundred eleven million, three hundred eleven thousand, one hundred fifty-seven".