11111110586813 has 2 divisors, whose sum is σ = 11111110586814. Its totient is φ = 11111110586812.

The previous prime is 11111110586791. The next prime is 11111110586827. The reversal of 11111110586813 is 31868501111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6255491205604 + 4855619381209 = 2501098^2 + 2203547^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111110586813 - 2¹² = 11111110582717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111110582813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555555293406 + 5555555293407.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555293407).

Almost surely, 2^{11111110586813} is an apocalyptic number.

It is an amenable number.

11111110586813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111110586813 is an equidigital number, since it uses as much as digits as its factorization.

11111110586813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 38.

Adding to 11111110586813 its reverse (31868501111111), we get a palindrome (42979611697924).

The spelling of 11111110586813 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, five hundred eighty-six thousand, eight hundred thirteen".