13161248827 has 4 divisors (see below), whose sum is σ = 13179204880. Its totient is φ = 13143292776.

The previous prime is 13161248809. The next prime is 13161248839. The reversal of 13161248827 is 72884216131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72884216131 = 173 ⋅421296047.

It is a cyclic number.

It is not a de Polignac number, because 13161248827 - 2⁷ = 13161248699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13161278827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8976927 + ... + 8978392.

It is an arithmetic number, because the mean of its divisors is an integer number (3294801220).

Almost surely, 2^13161248827 is an apocalyptic number.

13161248827 is a deficient number, since it is larger than the sum of its proper divisors (17956053).

13161248827 is an equidigital number, since it uses as much as digits as its factorization.

13161248827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956052.

The product of its digits is 129024, while the sum is 43.

The spelling of 13161248827 in words is "thirteen billion, one hundred sixty-one million, two hundred forty-eight thousand, eight hundred twenty-seven".