11311403113111 has 2 divisors, whose sum is σ = 11311403113112. Its totient is φ = 11311403113110.

The previous prime is 11311403113079. The next prime is 11311403113123. The reversal of 11311403113111 is 11131130411311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11311403113111 - 2⁵ = 11311403113079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311403113151) 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, 5655701556555 + 5655701556556.

It is an arithmetic number, because the mean of its divisors is an integer number (5655701556556).

Almost surely, 2^{11311403113111} is an apocalyptic number.

11311403113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311403113111 is an equidigital number, since it uses as much as digits as its factorization.

11311403113111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 11311403113111 its reverse (11131130411311), we get a palindrome (22442533524422).

The spelling of 11311403113111 in words is "eleven trillion, three hundred eleven billion, four hundred three million, one hundred thirteen thousand, one hundred eleven".