5565639257045 has 8 divisors (see below), whose sum is σ = 7632876695424. Its totient is φ = 3816438347664.

The previous prime is 5565639257041. The next prime is 5565639257083. The reversal of 5565639257045 is 5407529365655.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5565639257045 - 2² = 5565639257041 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 (5565639257041) 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, 79509132209 + ... + 79509132278.

It is an arithmetic number, because the mean of its divisors is an integer number (954109586928).

Almost surely, 2^{5565639257045} is an apocalyptic number.

It is an amenable number.

5565639257045 is a deficient number, since it is larger than the sum of its proper divisors (2067237438379).

5565639257045 is a wasteful number, since it uses less digits than its factorization.

5565639257045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159018264499.

The product of its (nonzero) digits is 170100000, while the sum is 62.

The spelling of 5565639257045 in words is "five trillion, five hundred sixty-five billion, six hundred thirty-nine million, two hundred fifty-seven thousand, forty-five".