13018014005 has 4 divisors (see below), whose sum is σ = 15621616812. Its totient is φ = 10414411200.

The previous prime is 13018014001. The next prime is 13018014041. The reversal of 13018014005 is 50041081031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50041081031 = 39901 ⋅1254131.

It can be written as a sum of positive squares in 2 ways, for example, as 7975025809 + 5042988196 = 89303^2 + 71014^2 .

It is not a de Polignac number, because 13018014005 - 2² = 13018014001 is a prime.

It is a super-2 number, since 2×13018014005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13018014001) 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, 1301801396 + ... + 1301801405.

It is an arithmetic number, because the mean of its divisors is an integer number (3905404203).

Almost surely, 2^13018014005 is an apocalyptic number.

It is an amenable number.

13018014005 is a deficient number, since it is larger than the sum of its proper divisors (2603602807).

13018014005 is an equidigital number, since it uses as much as digits as its factorization.

13018014005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603602806.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 13018014005 its reverse (50041081031), we get a palindrome (63059095036).

The spelling of 13018014005 in words is "thirteen billion, eighteen million, fourteen thousand, five".