13579048204081 has 4 divisors (see below), whose sum is σ = 13946049506932. Its totient is φ = 13212046901232.

The previous prime is 13579048204067. The next prime is 13579048204177. The reversal of 13579048204081 is 18040284097531.

13579048204081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6482599749025 + 7096448455056 = 2546095^2 + 2663916^2 .

It is a cyclic number.

It is not a de Polignac number, because 13579048204081 - 2⁴¹ = 11380024948529 is a prime.

It is a super-2 number, since 2×13579048204081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13579048204031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183500651370 + ... + 183500651443.

It is an arithmetic number, because the mean of its divisors is an integer number (3486512376733).

Almost surely, 2^{13579048204081} is an apocalyptic number.

It is an amenable number.

13579048204081 is a deficient number, since it is larger than the sum of its proper divisors (367001302851).

13579048204081 is an equidigital number, since it uses as much as digits as its factorization.

13579048204081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367001302850.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 13579048204081 in words is "thirteen trillion, five hundred seventy-nine billion, forty-eight million, two hundred four thousand, eighty-one".