11124131311 has 2 divisors, whose sum is σ = 11124131312. Its totient is φ = 11124131310.

The previous prime is 11124131303. The next prime is 11124131329. The reversal of 11124131311 is 11313142111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11124131311 - 2³ = 11124131303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11124131351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562065655 + 5562065656.

It is an arithmetic number, because the mean of its divisors is an integer number (5562065656).

Almost surely, 2^11124131311 is an apocalyptic number.

11124131311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124131311 is an equidigital number, since it uses as much as digits as its factorization.

11124131311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 19.

Adding to 11124131311 its reverse (11313142111), we get a palindrome (22437273422).

The spelling of 11124131311 in words is "eleven billion, one hundred twenty-four million, one hundred thirty-one thousand, three hundred eleven".