5561728388894 has 8 divisors (see below), whose sum is σ = 8705314000080. Its totient is φ = 2659957055536.

The previous prime is 5561728388869. The next prime is 5561728388933. The reversal of 5561728388894 is 4988838271655.

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

It is a congruent 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, 60453569399 + ... + 60453569490.

It is an arithmetic number, because the mean of its divisors is an integer number (1088164250010).

Almost surely, 2^{5561728388894} is an apocalyptic number.

5561728388894 is a deficient number, since it is larger than the sum of its proper divisors (3143585611186).

5561728388894 is a wasteful number, since it uses less digits than its factorization.

5561728388894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120907138914.

The product of its digits is 928972800, while the sum is 74.

The spelling of 5561728388894 in words is "five trillion, five hundred sixty-one billion, seven hundred twenty-eight million, three hundred eighty-eight thousand, eight hundred ninety-four".