11430440191 has 2 divisors, whose sum is σ = 11430440192. Its totient is φ = 11430440190.

The previous prime is 11430440167. The next prime is 11430440227. The reversal of 11430440191 is 19104403411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11430440191 - 2¹⁵ = 11430407423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11430440491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715220095 + 5715220096.

It is an arithmetic number, because the mean of its divisors is an integer number (5715220096).

Almost surely, 2^11430440191 is an apocalyptic number.

11430440191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430440191 is an equidigital number, since it uses as much as digits as its factorization.

11430440191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 11430440191 in words is "eleven billion, four hundred thirty million, four hundred forty thousand, one hundred ninety-one".