11845730191 has 2 divisors, whose sum is σ = 11845730192. Its totient is φ = 11845730190.

The previous prime is 11845730189. The next prime is 11845730201. The reversal of 11845730191 is 19103754811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11845730191 - 2¹ = 11845730189 is a prime.

Together with 11845730189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11845730161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922865095 + 5922865096.

It is an arithmetic number, because the mean of its divisors is an integer number (5922865096).

Almost surely, 2^11845730191 is an apocalyptic number.

11845730191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11845730191 is an equidigital number, since it uses as much as digits as its factorization.

11845730191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

It can be divided in two parts, 1184 and 5730191, that added together give a palindrome (5731375).

The spelling of 11845730191 in words is "eleven billion, eight hundred forty-five million, seven hundred thirty thousand, one hundred ninety-one".