1005556080605 has 8 divisors (see below), whose sum is σ = 1206678147072. Its totient is φ = 804437630928.

The previous prime is 1005556080563. The next prime is 1005556080631. The reversal of 1005556080605 is 5060806555001.

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 1005556080605 - 2¹⁴ = 1005556064221 is a prime.

It is a super-2 number, since 2×1005556080605² (a number of 25 digits) contains 22 as substring.

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, 249437 + ... + 1439906.

It is an arithmetic number, because the mean of its divisors is an integer number (150834768384).

Almost surely, 2^{1005556080605} is an apocalyptic number.

It is an amenable number.

1005556080605 is a deficient number, since it is larger than the sum of its proper divisors (201122066467).

1005556080605 is a wasteful number, since it uses less digits than its factorization.

1005556080605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808395.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 1005556080605 in words is "one trillion, five billion, five hundred fifty-six million, eighty thousand, six hundred five".