11711847777775 has 6 divisors (see below), whose sum is σ = 14522691244472. Its totient is φ = 9369478222200.

The previous prime is 11711847777769. The next prime is 11711847777787. The reversal of 11711847777775 is 57777774811711.

It is not a de Polignac number, because 11711847777775 - 2¹⁹ = 11711847253487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234236955531 + ... + 234236955580.

Almost surely, 2^{11711847777775} is an apocalyptic number.

11711847777775 is a deficient number, since it is larger than the sum of its proper divisors (2810843466697).

11711847777775 is an equidigital number, since it uses as much as digits as its factorization.

11711847777775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468473911121 (or 468473911116 counting only the distinct ones).

The product of its digits is 131766880, while the sum is 70.

The spelling of 11711847777775 in words is "eleven trillion, seven hundred eleven billion, eight hundred forty-seven million, seven hundred seventy-seven thousand, seven hundred seventy-five".