11124340013 has 2 divisors, whose sum is σ = 11124340014. Its totient is φ = 11124340012.

The previous prime is 11124340009. The next prime is 11124340063. The reversal of 11124340013 is 31004342111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11086615849 + 37724164 = 105293^2 + 6142^2 .

It is a cyclic number.

It is not a de Polignac number, because 11124340013 - 2² = 11124340009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11124340063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562170006 + 5562170007.

It is an arithmetic number, because the mean of its divisors is an integer number (5562170007).

Almost surely, 2^11124340013 is an apocalyptic number.

It is an amenable number.

11124340013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124340013 is an equidigital number, since it uses as much as digits as its factorization.

11124340013 is an evil number, because the sum of its binary digits is even.

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

Adding to 11124340013 its reverse (31004342111), we get a palindrome (42128682124).

The spelling of 11124340013 in words is "eleven billion, one hundred twenty-four million, three hundred forty thousand, thirteen".