11110643245243 has 2 divisors, whose sum is σ = 11110643245244. Its totient is φ = 11110643245242.

The previous prime is 11110643245217. The next prime is 11110643245259. The reversal of 11110643245243 is 34254234601111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11110643245243 - 2²¹ = 11110641148091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110643242243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555321622621 + 5555321622622.

It is an arithmetic number, because the mean of its divisors is an integer number (5555321622622).

Almost surely, 2^{11110643245243} is an apocalyptic number.

11110643245243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110643245243 is an equidigital number, since it uses as much as digits as its factorization.

11110643245243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 11110643245243 its reverse (34254234601111), we get a palindrome (45364877846354).

The spelling of 11110643245243 in words is "eleven trillion, one hundred ten billion, six hundred forty-three million, two hundred forty-five thousand, two hundred forty-three".