13001311465 has 8 divisors (see below), whose sum is σ = 16139559240. Its totient is φ = 10042392192.

The previous prime is 13001311451. The next prime is 13001311487. The reversal of 13001311465 is 56411310031.

It can be written as a sum of positive squares in 4 ways, for example, as 1662682176 + 11338629289 = 40776^2 + 106483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13001311465 is a prime.

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, 44831964 + ... + 44832253.

It is an arithmetic number, because the mean of its divisors is an integer number (2017444905).

Almost surely, 2^13001311465 is an apocalyptic number.

It is an amenable number.

13001311465 is a deficient number, since it is larger than the sum of its proper divisors (3138247775).

13001311465 is an equidigital number, since it uses as much as digits as its factorization.

13001311465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89664251.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 13001311465 its reverse (56411310031), we get a palindrome (69412621496).

The spelling of 13001311465 in words is "thirteen billion, one million, three hundred eleven thousand, four hundred sixty-five".