1131104211311 has 2 divisors, whose sum is σ = 1131104211312. Its totient is φ = 1131104211310.

The previous prime is 1131104211299. The next prime is 1131104211409. The reversal of 1131104211311 is 1131124011311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131104211311 - 2¹⁸ = 1131103949167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131104217311) 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, 565552105655 + 565552105656.

It is an arithmetic number, because the mean of its divisors is an integer number (565552105656).

Almost surely, 2^{1131104211311} is an apocalyptic number.

1131104211311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131104211311 is an equidigital number, since it uses as much as digits as its factorization.

1131104211311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 1131104211311 its reverse (1131124011311), we get a palindrome (2262228222622).

The spelling of 1131104211311 in words is "one trillion, one hundred thirty-one billion, one hundred four million, two hundred eleven thousand, three hundred eleven".