65364872491311 has 16 divisors (see below), whose sum is σ = 87999817311744. Its totient is φ = 43153259539104.

The previous prime is 65364872491307. The next prime is 65364872491319. The reversal of 65364872491311 is 11319427846356.

It is not a de Polignac number, because 65364872491311 - 2² = 65364872491307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65364872491319) 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, 64313785 + ... + 65322221.

It is an arithmetic number, because the mean of its divisors is an integer number (5499988581984).

Almost surely, 2^{65364872491311} is an apocalyptic number.

65364872491311 is a deficient number, since it is larger than the sum of its proper divisors (22634944820433).

65364872491311 is a wasteful number, since it uses less digits than its factorization.

65364872491311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218310.

The product of its digits is 26127360, while the sum is 60.

The spelling of 65364872491311 in words is "sixty-five trillion, three hundred sixty-four billion, eight hundred seventy-two million, four hundred ninety-one thousand, three hundred eleven".