5561178445679 has 8 divisors (see below), whose sum is σ = 5599589784960. Its totient is φ = 5522787927000.

The previous prime is 5561178445639. The next prime is 5561178445687. The reversal of 5561178445679 is 9765448711655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5561178445679 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 (5561178445639) 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, 4668917 + ... + 5737694.

It is an arithmetic number, because the mean of its divisors is an integer number (699948723120).

Almost surely, 2^{5561178445679} is an apocalyptic number.

5561178445679 is a deficient number, since it is larger than the sum of its proper divisors (38411339281).

5561178445679 is a wasteful number, since it uses less digits than its factorization.

5561178445679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410301.

The product of its digits is 254016000, while the sum is 68.

The spelling of 5561178445679 in words is "five trillion, five hundred sixty-one billion, one hundred seventy-eight million, four hundred forty-five thousand, six hundred seventy-nine".