11000311243 has 2 divisors, whose sum is σ = 11000311244. Its totient is φ = 11000311242.

The previous prime is 11000311241. The next prime is 11000311253. The reversal of 11000311243 is 34211300011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11000311243 - 2¹ = 11000311241 is a prime.

It is a super-3 number, since 3×11000311243³ (a number of 31 digits) contains 333 as substring.

Together with 11000311241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11000311241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500155621 + 5500155622.

It is an arithmetic number, because the mean of its divisors is an integer number (5500155622).

Almost surely, 2^11000311243 is an apocalyptic number.

11000311243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000311243 is an equidigital number, since it uses as much as digits as its factorization.

11000311243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11000311243 its reverse (34211300011), we get a palindrome (45211611254).

The spelling of 11000311243 in words is "eleven billion, three hundred eleven thousand, two hundred forty-three".