1000006105555 has 4 divisors (see below), whose sum is σ = 1200007326672. Its totient is φ = 800004884440.

The previous prime is 1000006105541. The next prime is 1000006105589. The reversal of 1000006105555 is 5555016000001.

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

It is not a de Polignac number, because 1000006105555 - 2¹⁵ = 1000006072787 is a prime.

It is a super-2 number, since 2×1000006105555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100000610551 + ... + 100000610560.

It is an arithmetic number, because the mean of its divisors is an integer number (300001831668).

Almost surely, 2^{1000006105555} is an apocalyptic number.

1000006105555 is a deficient number, since it is larger than the sum of its proper divisors (200001221117).

1000006105555 is an equidigital number, since it uses as much as digits as its factorization.

1000006105555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200001221116.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 1000006105555 in words is "one trillion, six million, one hundred five thousand, five hundred fifty-five".