11630828191 has 2 divisors, whose sum is σ = 11630828192. Its totient is φ = 11630828190.

The previous prime is 11630828177. The next prime is 11630828219. The reversal of 11630828191 is 19182803611.

It is a happy number.

11630828191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11630828191 - 2⁷ = 11630828063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11630828161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815414095 + 5815414096.

It is an arithmetic number, because the mean of its divisors is an integer number (5815414096).

Almost surely, 2^11630828191 is an apocalyptic number.

11630828191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11630828191 is an equidigital number, since it uses as much as digits as its factorization.

11630828191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 11630828191 in words is "eleven billion, six hundred thirty million, eight hundred twenty-eight thousand, one hundred ninety-one".