13788656231761 has 4 divisors (see below), whose sum is σ = 13871223035712. Its totient is φ = 13706089427812.

The previous prime is 13788656231711. The next prime is 13788656231773. The reversal of 13788656231761 is 16713265688731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13788656231761 - 2¹¹ = 13788656229713 is a prime.

It is a super-2 number, since 2×13788656231761² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13788656231693 and 13788656231702.

It is not an unprimeable number, because it can be changed into a prime (13788656231711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41283401725 + ... + 41283402058.

It is an arithmetic number, because the mean of its divisors is an integer number (3467805758928).

Almost surely, 2^{13788656231761} is an apocalyptic number.

It is an amenable number.

13788656231761 is a deficient number, since it is larger than the sum of its proper divisors (82566803951).

13788656231761 is an equidigital number, since it uses as much as digits as its factorization.

13788656231761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82566803950.

The product of its digits is 60963840, while the sum is 64.

The spelling of 13788656231761 in words is "thirteen trillion, seven hundred eighty-eight billion, six hundred fifty-six million, two hundred thirty-one thousand, seven hundred sixty-one".