1000555055611 has 4 divisors (see below), whose sum is σ = 1000559630824. Its totient is φ = 1000550480400.

The previous prime is 1000555055609. The next prime is 1000555055639. The reversal of 1000555055611 is 1165505550001.

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 1000555055611 - 2¹ = 1000555055609 is a prime.

It is a super-3 number, since 3×1000555055611³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000555055111) 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, 1942185 + ... + 2402746.

It is an arithmetic number, because the mean of its divisors is an integer number (250139907706).

Almost surely, 2^{1000555055611} is an apocalyptic number.

1000555055611 is a deficient number, since it is larger than the sum of its proper divisors (4575213).

1000555055611 is an equidigital number, since it uses as much as digits as its factorization.

1000555055611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575212.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 1000555055611 in words is "one trillion, five hundred fifty-five million, fifty-five thousand, six hundred eleven".