13561347044 has 12 divisors (see below), whose sum is σ = 27122694144. Its totient is φ = 5812005864.

The previous prime is 13561347013. The next prime is 13561347061. The reversal of 13561347044 is 44074316531.

13561347044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13561347044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13561346989 and 13561347007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242166884 + ... + 242166939.

It is an arithmetic number, because the mean of its divisors is an integer number (2260224512).

Almost surely, 2^13561347044 is an apocalyptic number.

13561347044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13561347044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13561347044 is a wasteful number, since it uses less digits than its factorization.

13561347044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484333834 (or 484333832 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 13561347044 in words is "thirteen billion, five hundred sixty-one million, three hundred forty-seven thousand, forty-four".