13111031311187 has 2 divisors, whose sum is σ = 13111031311188. Its totient is φ = 13111031311186.

The previous prime is 13111031311181. The next prime is 13111031311211. The reversal of 13111031311187 is 78111313011131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13111031311187 - 2³⁰ = 13109957569363 is a prime.

It is not a weakly prime, because it can be changed into another prime (13111031311181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555515655593 + 6555515655594.

It is an arithmetic number, because the mean of its divisors is an integer number (6555515655594).

Almost surely, 2^{13111031311187} is an apocalyptic number.

13111031311187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111031311187 is an equidigital number, since it uses as much as digits as its factorization.

13111031311187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 32.

The spelling of 13111031311187 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, three hundred eleven thousand, one hundred eighty-seven".