13561316040264 has 16 divisors (see below), whose sum is σ = 33903290100720. Its totient is φ = 4520438680080.

The previous prime is 13561316040247. The next prime is 13561316040287. The reversal of 13561316040264 is 46204061316531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282527417482 + ... + 282527417529.

It is an arithmetic number, because the mean of its divisors is an integer number (2118955631295).

Almost surely, 2^{13561316040264} is an apocalyptic number.

It is an amenable number.

13561316040264 is an abundant number, since it is smaller than the sum of its proper divisors (20341974060456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13561316040264 is a wasteful number, since it uses less digits than its factorization.

13561316040264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565054835020 (or 565054835016 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 13561316040264 its reverse (46204061316531), we get a palindrome (59765377356795).

The spelling of 13561316040264 in words is "thirteen trillion, five hundred sixty-one billion, three hundred sixteen million, forty thousand, two hundred sixty-four".