13420411111 has 2 divisors, whose sum is σ = 13420411112. Its totient is φ = 13420411110.

The previous prime is 13420411091. The next prime is 13420411129. The reversal of 13420411111 is 11111402431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13420411111 - 2¹⁷ = 13420280039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420412111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710205555 + 6710205556.

It is an arithmetic number, because the mean of its divisors is an integer number (6710205556).

Almost surely, 2^13420411111 is an apocalyptic number.

13420411111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420411111 is an equidigital number, since it uses as much as digits as its factorization.

13420411111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13420411111 its reverse (11111402431), we get a palindrome (24531813542).

The spelling of 13420411111 in words is "thirteen billion, four hundred twenty million, four hundred eleven thousand, one hundred eleven".