11786071711 has 4 divisors (see below), whose sum is σ = 11833028424. Its totient is φ = 11739115000.

The previous prime is 11786071669. The next prime is 11786071727. The reversal of 11786071711 is 11717068711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11786071711 - 2¹¹ = 11786069663 is a prime.

It is a super-2 number, since 2×11786071711² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11786071771) 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 in 3 ways as a sum of consecutive naturals, for example, 23477980 + ... + 23478481.

It is an arithmetic number, because the mean of its divisors is an integer number (2958257106).

Almost surely, 2^11786071711 is an apocalyptic number.

11786071711 is a deficient number, since it is larger than the sum of its proper divisors (46956713).

11786071711 is an equidigital number, since it uses as much as digits as its factorization.

11786071711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46956712.

The product of its (nonzero) digits is 16464, while the sum is 40.

The spelling of 11786071711 in words is "eleven billion, seven hundred eighty-six million, seventy-one thousand, seven hundred eleven".