13405511101 has 2 divisors, whose sum is σ = 13405511102. Its totient is φ = 13405511100.

The previous prime is 13405511099. The next prime is 13405511149. The reversal of 13405511101 is 10111550431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12639605476 + 765905625 = 112426^2 + 27675^2 .

It is a cyclic number.

It is not a de Polignac number, because 13405511101 - 2¹ = 13405511099 is a prime.

Together with 13405511099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405511191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702755550 + 6702755551.

It is an arithmetic number, because the mean of its divisors is an integer number (6702755551).

Almost surely, 2^13405511101 is an apocalyptic number.

It is an amenable number.

13405511101 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405511101 is an equidigital number, since it uses as much as digits as its factorization.

13405511101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 13405511101 in words is "thirteen billion, four hundred five million, five hundred eleven thousand, one hundred one".