13443743838811 has 16 divisors (see below), whose sum is σ = 15834650438880. Its totient is φ = 11252462123520.

The previous prime is 13443743838809. The next prime is 13443743838881. The reversal of 13443743838811 is 11883834734431.

It is a cyclic number.

It is not a de Polignac number, because 13443743838811 - 2¹ = 13443743838809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13443743838881) 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 15 ways as a sum of consecutive naturals, for example, 120782670 + ... + 120893923.

It is an arithmetic number, because the mean of its divisors is an integer number (989665652430).

Almost surely, 2^{13443743838811} is an apocalyptic number.

13443743838811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13443743838811 is a deficient number, since it is larger than the sum of its proper divisors (2390906600069).

13443743838811 is a wasteful number, since it uses less digits than its factorization.

13443743838811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241677006.

The product of its digits is 18579456, while the sum is 58.

The spelling of 13443743838811 in words is "thirteen trillion, four hundred forty-three billion, seven hundred forty-three million, eight hundred thirty-eight thousand, eight hundred eleven".