13140420350411 has 4 divisors (see below), whose sum is σ = 13140456819672. Its totient is φ = 13140383881152.

The previous prime is 13140420350389. The next prime is 13140420350513. The reversal of 13140420350411 is 11405302404131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13140420350411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140420350611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17688710 + ... + 18416603.

It is an arithmetic number, because the mean of its divisors is an integer number (3285114204918).

Almost surely, 2^{13140420350411} is an apocalyptic number.

13140420350411 is a deficient number, since it is larger than the sum of its proper divisors (36469261).

13140420350411 is an equidigital number, since it uses as much as digits as its factorization.

13140420350411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36469260.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 13140420350411 its reverse (11405302404131), we get a palindrome (24545722754542).

The spelling of 13140420350411 in words is "thirteen trillion, one hundred forty billion, four hundred twenty million, three hundred fifty thousand, four hundred eleven".