13161356305 has 8 divisors (see below), whose sum is σ = 15864452352. Its totient is φ = 10481868528.

The previous prime is 13161356291. The next prime is 13161356333. The reversal of 13161356305 is 50365316131.

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 13161356305 - 2⁷ = 13161356177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900839 + ... + 5903068.

It is an arithmetic number, because the mean of its divisors is an integer number (1983056544).

Almost surely, 2^13161356305 is an apocalyptic number.

It is an amenable number.

13161356305 is a deficient number, since it is larger than the sum of its proper divisors (2703096047).

13161356305 is a wasteful number, since it uses less digits than its factorization.

13161356305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804135.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 13161356305 in words is "thirteen billion, one hundred sixty-one million, three hundred fifty-six thousand, three hundred five".