13440225311 has 8 divisors (see below), whose sum is σ = 13788988560. Its totient is φ = 13095494272.

The previous prime is 13440225257. The next prime is 13440225341. The reversal of 13440225311 is 11352204431.

It is a happy number.

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 13440225311 - 2¹⁸ = 13439963167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440225341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001300 + ... + 1014633.

It is an arithmetic number, because the mean of its divisors is an integer number (1723623570).

Almost surely, 2^13440225311 is an apocalyptic number.

13440225311 is a deficient number, since it is larger than the sum of its proper divisors (348763249).

13440225311 is a wasteful number, since it uses less digits than its factorization.

13440225311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016105.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13440225311 its reverse (11352204431), we get a palindrome (24792429742).

The spelling of 13440225311 in words is "thirteen billion, four hundred forty million, two hundred twenty-five thousand, three hundred eleven".