13161556411 has 16 divisors (see below), whose sum is σ = 13557650400. Its totient is φ = 12769235200.

The previous prime is 13161556273. The next prime is 13161556423. The reversal of 13161556411 is 11465516131.

It is a cyclic number.

It is not a de Polignac number, because 13161556411 - 2¹³ = 13161548219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13161556711) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10708545 + ... + 10709773.

It is an arithmetic number, because the mean of its divisors is an integer number (847353150).

Almost surely, 2^13161556411 is an apocalyptic number.

13161556411 is a deficient number, since it is larger than the sum of its proper divisors (396093989).

13161556411 is a wasteful number, since it uses less digits than its factorization.

13161556411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its digits is 10800, while the sum is 34.

The spelling of 13161556411 in words is "thirteen billion, one hundred sixty-one million, five hundred fifty-six thousand, four hundred eleven".