13124611161 has 6 divisors (see below), whose sum is σ = 18957771690. Its totient is φ = 8749740768.

The previous prime is 13124611117. The next prime is 13124611207. The reversal of 13124611161 is 16111642131.

13124611161 is a `hidden beast` number, since 1 + 31 + 2 + 4 + 611 + 16 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10321544025 + 2803067136 = 101595^2 + 52944^2 .

It is not a de Polignac number, because 13124611161 - 2¹⁰ = 13124610137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13124611261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729145056 + ... + 729145073.

It is an arithmetic number, because the mean of its divisors is an integer number (3159628615).

Almost surely, 2^13124611161 is an apocalyptic number.

It is an amenable number.

13124611161 is a deficient number, since it is larger than the sum of its proper divisors (5833160529).

13124611161 is a wasteful number, since it uses less digits than its factorization.

13124611161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458290135 (or 1458290132 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The spelling of 13124611161 in words is "thirteen billion, one hundred twenty-four million, six hundred eleven thousand, one hundred sixty-one".