13617541161445 has 8 divisors (see below), whose sum is σ = 17598053193336. Its totient is φ = 10056030396096.

The previous prime is 13617541161409. The next prime is 13617541161503. The reversal of 13617541161445 is 54416114571631.

It can be written as a sum of positive squares in 4 ways, for example, as 42509367684 + 13575031793761 = 206178^2 + 3684431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13617541161445 - 2¹³ = 13617541153253 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104750316562 + ... + 104750316691.

It is an arithmetic number, because the mean of its divisors is an integer number (2199756649167).

Almost surely, 2^{13617541161445} is an apocalyptic number.

It is an amenable number.

13617541161445 is a deficient number, since it is larger than the sum of its proper divisors (3980512031891).

13617541161445 is a wasteful number, since it uses less digits than its factorization.

13617541161445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209500633271.

The product of its digits is 1209600, while the sum is 49.

The spelling of 13617541161445 in words is "thirteen trillion, six hundred seventeen billion, five hundred forty-one million, one hundred sixty-one thousand, four hundred forty-five".