13378334811 has 4 divisors (see below), whose sum is σ = 17837779752. Its totient is φ = 8918889872.

The previous prime is 13378334803. The next prime is 13378334887. The reversal of 13378334811 is 11843387331.

13378334811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13378334811 - 2³ = 13378334803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13378333811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229722466 + ... + 2229722471.

It is an arithmetic number, because the mean of its divisors is an integer number (4459444938).

Almost surely, 2^13378334811 is an apocalyptic number.

13378334811 is a deficient number, since it is larger than the sum of its proper divisors (4459444941).

13378334811 is an equidigital number, since it uses as much as digits as its factorization.

13378334811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459444940.

The product of its digits is 145152, while the sum is 42.

The spelling of 13378334811 in words is "thirteen billion, three hundred seventy-eight million, three hundred thirty-four thousand, eight hundred eleven".