13875813775 has 6 divisors (see below), whose sum is σ = 17206009112. Its totient is φ = 11100651000.

The previous prime is 13875813769. The next prime is 13875813799. The reversal of 13875813775 is 57731857831.

13875813775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13875813775 - 2¹⁷ = 13875682703 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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277516251 + ... + 277516300.

Almost surely, 2^13875813775 is an apocalyptic number.

13875813775 is a deficient number, since it is larger than the sum of its proper divisors (3330195337).

13875813775 is an equidigital number, since it uses as much as digits as its factorization.

13875813775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555032561 (or 555032556 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 55.

The spelling of 13875813775 in words is "thirteen billion, eight hundred seventy-five million, eight hundred thirteen thousand, seven hundred seventy-five".