13138244782711 has 16 divisors (see below), whose sum is σ = 13177991736000. Its totient is φ = 13098569955328.

The previous prime is 13138244782687. The next prime is 13138244782769. The reversal of 13138244782711 is 11728744283131.

It is a cyclic number.

It is not a de Polignac number, because 13138244782711 - 2⁹ = 13138244782199 is a prime.

It is a super-2 number, since 2×13138244782711² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13138244783711) 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, 1950159135 + ... + 1950165871.

It is an arithmetic number, because the mean of its divisors is an integer number (823624483500).

Almost surely, 2^{13138244782711} is an apocalyptic number.

13138244782711 is a deficient number, since it is larger than the sum of its proper divisors (39746953289).

13138244782711 is a wasteful number, since it uses less digits than its factorization.

13138244782711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11258.

The product of its digits is 1806336, while the sum is 52.

The spelling of 13138244782711 in words is "thirteen trillion, one hundred thirty-eight billion, two hundred forty-four million, seven hundred eighty-two thousand, seven hundred eleven".