11787786719575 has 6 divisors (see below), whose sum is σ = 14616855532304. Its totient is φ = 9430229375640.

The previous prime is 11787786719563. The next prime is 11787786719591. The reversal of 11787786719575 is 57591768778711.

It is not a de Polignac number, because 11787786719575 - 2¹³ = 11787786711383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11787786719495 and 11787786719504.

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, 235755734367 + ... + 235755734416.

Almost surely, 2^{11787786719575} is an apocalyptic number.

11787786719575 is a deficient number, since it is larger than the sum of its proper divisors (2829068812729).

11787786719575 is an equidigital number, since it uses as much as digits as its factorization.

11787786719575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471511468793 (or 471511468788 counting only the distinct ones).

The product of its digits is 1452124800, while the sum is 79.

The spelling of 11787786719575 in words is "eleven trillion, seven hundred eighty-seven billion, seven hundred eighty-six million, seven hundred nineteen thousand, five hundred seventy-five".