11340138191 has 2 divisors, whose sum is σ = 11340138192. Its totient is φ = 11340138190.

The previous prime is 11340138151. The next prime is 11340138197. The reversal of 11340138191 is 19183104311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11340138191 - 2⁶ = 11340138127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11340138197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670069095 + 5670069096.

It is an arithmetic number, because the mean of its divisors is an integer number (5670069096).

Almost surely, 2^11340138191 is an apocalyptic number.

11340138191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340138191 is an equidigital number, since it uses as much as digits as its factorization.

11340138191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11340138191 in words is "eleven billion, three hundred forty million, one hundred thirty-eight thousand, one hundred ninety-one".