11344111993 has 2 divisors, whose sum is σ = 11344111994. Its totient is φ = 11344111992.

The previous prime is 11344111991. The next prime is 11344112011. The reversal of 11344111993 is 39911144311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10739591424 + 604520569 = 103632^2 + 24587^2 .

It is an emirp because it is prime and its reverse (39911144311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11344111993 - 2¹ = 11344111991 is a prime.

Together with 11344111991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11344111991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672055996 + 5672055997.

It is an arithmetic number, because the mean of its divisors is an integer number (5672055997).

Almost surely, 2^11344111993 is an apocalyptic number.

It is an amenable number.

11344111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11344111993 is an equidigital number, since it uses as much as digits as its factorization.

11344111993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The spelling of 11344111993 in words is "eleven billion, three hundred forty-four million, one hundred eleven thousand, nine hundred ninety-three".