11193645371 has 2 divisors, whose sum is σ = 11193645372. Its totient is φ = 11193645370.

The previous prime is 11193645361. The next prime is 11193645403. The reversal of 11193645371 is 17354639111.

It is a weak prime.

It is an emirp because it is prime and its reverse (17354639111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11193645371 - 2²⁶ = 11126536507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11193645341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5596822685 + 5596822686.

It is an arithmetic number, because the mean of its divisors is an integer number (5596822686).

Almost surely, 2^11193645371 is an apocalyptic number.

11193645371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11193645371 is an equidigital number, since it uses as much as digits as its factorization.

11193645371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The spelling of 11193645371 in words is "eleven billion, one hundred ninety-three million, six hundred forty-five thousand, three hundred seventy-one".