1001110055556 has 96 divisors (see below), whose sum is σ = 2704351426560. Its totient is φ = 285612545664.

The previous prime is 1001110055551. The next prime is 1001110055567. The reversal of 1001110055556 is 6555500111001.

It is not an unprimeable number, because it can be changed into a prime (1001110055551) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3453846 + ... + 3732461.

It is an arithmetic number, because the mean of its divisors is an integer number (28170327360).

Almost surely, 2^{1001110055556} is an apocalyptic number.

It is an amenable number.

1001110055556 is an abundant number, since it is smaller than the sum of its proper divisors (1703241371004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001110055556 is a wasteful number, since it uses less digits than its factorization.

1001110055556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186393 (or 7186391 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 1001110055556 its reverse (6555500111001), we get a palindrome (7556610166557).

The spelling of 1001110055556 in words is "one trillion, one billion, one hundred ten million, fifty-five thousand, five hundred fifty-six".