13845068511 has 4 divisors (see below), whose sum is σ = 18460091352. Its totient is φ = 9230045672.

The previous prime is 13845068509. The next prime is 13845068513. The reversal of 13845068511 is 11586054831.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13845068509) and next prime (13845068513).

It is a cyclic number.

It is not a de Polignac number, because 13845068511 - 2¹ = 13845068509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845068513) 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 3 ways as a sum of consecutive naturals, for example, 2307511416 + ... + 2307511421.

It is an arithmetic number, because the mean of its divisors is an integer number (4615022838).

Almost surely, 2^13845068511 is an apocalyptic number.

13845068511 is a deficient number, since it is larger than the sum of its proper divisors (4615022841).

13845068511 is an equidigital number, since it uses as much as digits as its factorization.

13845068511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615022840.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 13845068511 in words is "thirteen billion, eight hundred forty-five million, sixty-eight thousand, five hundred eleven".