5561667278395 has 4 divisors (see below), whose sum is σ = 6674000734080. Its totient is φ = 4449333822712.

The previous prime is 5561667278389. The next prime is 5561667278399. The reversal of 5561667278395 is 5938727661655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5561667278395 - 2⁷ = 5561667278267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5561667278399) 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, 556166727835 + ... + 556166727844.

It is an arithmetic number, because the mean of its divisors is an integer number (1668500183520).

Almost surely, 2^{5561667278395} is an apocalyptic number.

5561667278395 is a deficient number, since it is larger than the sum of its proper divisors (1112333455685).

5561667278395 is a wasteful number, since it uses less digits than its factorization.

5561667278395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112333455684.

The product of its digits is 571536000, while the sum is 70.

The spelling of 5561667278395 in words is "five trillion, five hundred sixty-one billion, six hundred sixty-seven million, two hundred seventy-eight thousand, three hundred ninety-five".