13091211011 has 2 divisors, whose sum is σ = 13091211012. Its totient is φ = 13091211010.

The previous prime is 13091210971. The next prime is 13091211013. The reversal of 13091211011 is 11011219031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11011219031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13091211011 - 2¹⁸ = 13090948867 is a prime.

Together with 13091211013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13091211013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6545605505 + 6545605506.

It is an arithmetic number, because the mean of its divisors is an integer number (6545605506).

Almost surely, 2^13091211011 is an apocalyptic number.

13091211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13091211011 is an equidigital number, since it uses as much as digits as its factorization.

13091211011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 13091211011 in words is "thirteen billion, ninety-one million, two hundred eleven thousand, eleven".