13543881811067 has 6 divisors (see below), whose sum is σ = 14294235374388. Its totient is φ = 12831045925932.

The previous prime is 13543881810997. The next prime is 13543881811069. The reversal of 13543881811067 is 76011818834531.

13543881811067 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 13543881811067 - 2²⁶ = 13543814702203 is a prime.

It is a super-3 number, since 3×13543881811067³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13543881811069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18758838713 + ... + 18758839434.

It is an arithmetic number, because the mean of its divisors is an integer number (2382372562398).

Almost surely, 2^{13543881811067} is an apocalyptic number.

13543881811067 is a deficient number, since it is larger than the sum of its proper divisors (750353563321).

13543881811067 is an equidigital number, since it uses as much as digits as its factorization.

13543881811067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37517678185 (or 37517678166 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 13543881811067 in words is "thirteen trillion, five hundred forty-three billion, eight hundred eighty-one million, eight hundred eleven thousand, sixty-seven".