65315426511 has 8 divisors (see below), whose sum is σ = 87090082480. Its totient is φ = 43542194112.

The previous prime is 65315426459. The next prime is 65315426531. The reversal of 65315426511 is 11562451356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65315426511 - 2⁷ = 65315426383 is a prime.

It is a super-2 number, since 2×65315426511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65315426511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65315426531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243790 + ... + 435963.

It is an arithmetic number, because the mean of its divisors is an integer number (10886260310).

Almost surely, 2^65315426511 is an apocalyptic number.

65315426511 is a deficient number, since it is larger than the sum of its proper divisors (21774655969).

65315426511 is a wasteful number, since it uses less digits than its factorization.

65315426511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711785.

The product of its digits is 108000, while the sum is 39.

Adding to 65315426511 its reverse (11562451356), we get a palindrome (76877877867).

The spelling of 65315426511 in words is "sixty-five billion, three hundred fifteen million, four hundred twenty-six thousand, five hundred eleven".