13161123055 has 8 divisors (see below), whose sum is σ = 15805665072. Its totient is φ = 10520686848.

The previous prime is 13161123023. The next prime is 13161123071. The reversal of 13161123055 is 55032116131.

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 13161123055 - 2⁵ = 13161123023 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, 1019394 + ... + 1032223.

It is an arithmetic number, because the mean of its divisors is an integer number (1975708134).

Almost surely, 2^13161123055 is an apocalyptic number.

13161123055 is a deficient number, since it is larger than the sum of its proper divisors (2644542017).

13161123055 is a wasteful number, since it uses less digits than its factorization.

13161123055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052905.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 13161123055 its reverse (55032116131), we get a palindrome (68193239186).

The spelling of 13161123055 in words is "thirteen billion, one hundred sixty-one million, one hundred twenty-three thousand, fifty-five".