11305556711 has 2 divisors, whose sum is σ = 11305556712. Its totient is φ = 11305556710.

The previous prime is 11305556693. The next prime is 11305556737. The reversal of 11305556711 is 11765550311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11305556711 is a prime.

It is a super-2 number, since 2×11305556711² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11305556771) 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, 5652778355 + 5652778356.

It is an arithmetic number, because the mean of its divisors is an integer number (5652778356).

Almost surely, 2^11305556711 is an apocalyptic number.

11305556711 is a deficient number, since it is larger than the sum of its proper divisors (1).

11305556711 is an equidigital number, since it uses as much as digits as its factorization.

11305556711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 35.

The spelling of 11305556711 in words is "eleven billion, three hundred five million, five hundred fifty-six thousand, seven hundred eleven".