6559555641005 has 8 divisors (see below), whose sum is σ = 7871497508472. Its totient is φ = 5247624019968.

The previous prime is 6559555640999. The next prime is 6559555641029. The reversal of 6559555641005 is 5001465559556.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2410361821156 + 4149193819849 = 1552534^2 + 2036957^2 .

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 6559555641005 - 2²⁴ = 6559538863789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074752 + ... + 3778121.

It is an arithmetic number, because the mean of its divisors is an integer number (983937188559).

Almost surely, 2^{6559555641005} is an apocalyptic number.

It is an amenable number.

6559555641005 is a deficient number, since it is larger than the sum of its proper divisors (1311941867467).

6559555641005 is a wasteful number, since it uses less digits than its factorization.

6559555641005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123215.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 6559555641005 in words is "six trillion, five hundred fifty-nine billion, five hundred fifty-five million, six hundred forty-one thousand, five".