11130131191 has 2 divisors, whose sum is σ = 11130131192. Its totient is φ = 11130131190.

The previous prime is 11130131179. The next prime is 11130131231. The reversal of 11130131191 is 19113103111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11130131191 - 2⁷ = 11130131063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11130131141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565065595 + 5565065596.

It is an arithmetic number, because the mean of its divisors is an integer number (5565065596).

Almost surely, 2^11130131191 is an apocalyptic number.

11130131191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130131191 is an equidigital number, since it uses as much as digits as its factorization.

11130131191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 11130131191 in words is "eleven billion, one hundred thirty million, one hundred thirty-one thousand, one hundred ninety-one".