11112320243 has 2 divisors, whose sum is σ = 11112320244. Its totient is φ = 11112320242.

The previous prime is 11112320239. The next prime is 11112320267. The reversal of 11112320243 is 34202321111.

11112320243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112320243 - 2² = 11112320239 is a prime.

It is a super-2 number, since 2×11112320243² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11112320293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556160121 + 5556160122.

It is an arithmetic number, because the mean of its divisors is an integer number (5556160122).

Almost surely, 2^11112320243 is an apocalyptic number.

11112320243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112320243 is an equidigital number, since it uses as much as digits as its factorization.

11112320243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11112320243 its reverse (34202321111), we get a palindrome (45314641354).

The spelling of 11112320243 in words is "eleven billion, one hundred twelve million, three hundred twenty thousand, two hundred forty-three".