11111111211307 has 2 divisors, whose sum is σ = 11111111211308. Its totient is φ = 11111111211306.

The previous prime is 11111111211293. The next prime is 11111111211349. The reversal of 11111111211307 is 70311211111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111111211307 - 2²⁷ = 11110976993579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111111221307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555555605653 + 5555555605654.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555605654).

Almost surely, 2^{11111111211307} is an apocalyptic number.

11111111211307 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111111211307 is an equidigital number, since it uses as much as digits as its factorization.

11111111211307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 22.

Adding to 11111111211307 its reverse (70311211111111), we get a palindrome (81422322322418).

The spelling of 11111111211307 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, two hundred eleven thousand, three hundred seven".