13111120012091 has 2 divisors, whose sum is σ = 13111120012092. Its totient is φ = 13111120012090.

The previous prime is 13111120012087. The next prime is 13111120012141. The reversal of 13111120012091 is 19021002111131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13111120012091 - 2² = 13111120012087 is a prime.

It is not a weakly prime, because it can be changed into another prime (13111120012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555560006045 + 6555560006046.

It is an arithmetic number, because the mean of its divisors is an integer number (6555560006046).

Almost surely, 2^{13111120012091} is an apocalyptic number.

13111120012091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111120012091 is an equidigital number, since it uses as much as digits as its factorization.

13111120012091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 13111120012091 in words is "thirteen trillion, one hundred eleven billion, one hundred twenty million, twelve thousand, ninety-one".