11142230513 has 2 divisors, whose sum is σ = 11142230514. Its totient is φ = 11142230512.

The previous prime is 11142230509. The next prime is 11142230531. The reversal of 11142230513 is 31503224111.

Together with next prime (11142230531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8601264049 + 2540966464 = 92743^2 + 50408^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142230513 - 2² = 11142230509 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142236513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571115256 + 5571115257.

It is an arithmetic number, because the mean of its divisors is an integer number (5571115257).

Almost surely, 2^11142230513 is an apocalyptic number.

It is an amenable number.

11142230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142230513 is an equidigital number, since it uses as much as digits as its factorization.

11142230513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 11142230513 its reverse (31503224111), we get a palindrome (42645454624).

The spelling of 11142230513 in words is "eleven billion, one hundred forty-two million, two hundred thirty thousand, five hundred thirteen".