11123132311 has 2 divisors, whose sum is σ = 11123132312. Its totient is φ = 11123132310.

The previous prime is 11123132243. The next prime is 11123132333. The reversal of 11123132311 is 11323132111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11123132311 - 2⁷ = 11123132183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123135311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561566155 + 5561566156.

It is an arithmetic number, because the mean of its divisors is an integer number (5561566156).

Almost surely, 2^11123132311 is an apocalyptic number.

11123132311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123132311 is an equidigital number, since it uses as much as digits as its factorization.

11123132311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

Adding to 11123132311 its reverse (11323132111), we get a palindrome (22446264422).

The spelling of 11123132311 in words is "eleven billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred eleven".