11343120391 has 2 divisors, whose sum is σ = 11343120392. Its totient is φ = 11343120390.

The previous prime is 11343120359. The next prime is 11343120421. The reversal of 11343120391 is 19302134311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11343120391 - 2⁵ = 11343120359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11343120331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671560195 + 5671560196.

It is an arithmetic number, because the mean of its divisors is an integer number (5671560196).

Almost surely, 2^11343120391 is an apocalyptic number.

11343120391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11343120391 is an equidigital number, since it uses as much as digits as its factorization.

11343120391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 11343120391 in words is "eleven billion, three hundred forty-three million, one hundred twenty thousand, three hundred ninety-one".