5678105561 has 4 divisors (see below), whose sum is σ = 5681998800. Its totient is φ = 5674212324.

The previous prime is 5678105533. The next prime is 5678105593. The reversal of 5678105561 is 1655018765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5678105561 - 2¹⁸ = 5677843417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5678305561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944431 + ... + 1947348.

It is an arithmetic number, because the mean of its divisors is an integer number (1420499700).

Almost surely, 2^5678105561 is an apocalyptic number.

It is an amenable number.

5678105561 is a deficient number, since it is larger than the sum of its proper divisors (3893239).

5678105561 is a wasteful number, since it uses less digits than its factorization.

5678105561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893238.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5678105561 is about 75353.2053797315. The cubic root of 5678105561 is about 1784.0258959195.

The spelling of 5678105561 in words is "five billion, six hundred seventy-eight million, one hundred five thousand, five hundred sixty-one".