13161553541 has 8 divisors (see below), whose sum is σ = 13546474368. Its totient is φ = 12779676000.

The previous prime is 13161553513. The next prime is 13161553549. The reversal of 13161553541 is 14535516131.

13161553541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13161553541 - 2¹⁰ = 13161552517 is a prime.

It is a super-2 number, since 2×13161553541² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161553549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 752045 + ... + 769346.

It is an arithmetic number, because the mean of its divisors is an integer number (1693309296).

Almost surely, 2^13161553541 is an apocalyptic number.

It is an amenable number.

13161553541 is a deficient number, since it is larger than the sum of its proper divisors (384920827).

13161553541 is a wasteful number, since it uses less digits than its factorization.

13161553541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521643.

The product of its digits is 27000, while the sum is 35.

The spelling of 13161553541 in words is "thirteen billion, one hundred sixty-one million, five hundred fifty-three thousand, five hundred forty-one".