13451310561 has 16 divisors (see below), whose sum is σ = 19317785984. Its totient is φ = 8276408064.

The previous prime is 13451310527. The next prime is 13451310599. The reversal of 13451310561 is 16501315431.

It is not a de Polignac number, because 13451310561 - 2⁹ = 13451310049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13451311561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257145 + ... + 305001.

It is an arithmetic number, because the mean of its divisors is an integer number (1207361624).

Almost surely, 2^13451310561 is an apocalyptic number.

It is an amenable number.

13451310561 is a deficient number, since it is larger than the sum of its proper divisors (5866475423).

13451310561 is a wasteful number, since it uses less digits than its factorization.

13451310561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55080.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 13451310561 its reverse (16501315431), we get a palindrome (29952625992).

The spelling of 13451310561 in words is "thirteen billion, four hundred fifty-one million, three hundred ten thousand, five hundred sixty-one".