11142112027 has 2 divisors, whose sum is σ = 11142112028. Its totient is φ = 11142112026.

The previous prime is 11142112013. The next prime is 11142112049. The reversal of 11142112027 is 72021124111.

It is a happy number.

It is an a-pointer prime, because the next prime (11142112049) can be obtained adding 11142112027 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142112027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11142111989 and 11142112007.

It is not a weakly prime, because it can be changed into another prime (11142112427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571056013 + 5571056014.

It is an arithmetic number, because the mean of its divisors is an integer number (5571056014).

Almost surely, 2^11142112027 is an apocalyptic number.

11142112027 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142112027 is an equidigital number, since it uses as much as digits as its factorization.

11142112027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 11142112027 its reverse (72021124111), we get a palindrome (83163236138).

The spelling of 11142112027 in words is "eleven billion, one hundred forty-two million, one hundred twelve thousand, twenty-seven".