1011055005 has 12 divisors (see below), whose sum is σ = 1752495420. Its totient is φ = 539229312.

The previous prime is 1011054973. The next prime is 1011055033. The reversal of 1011055005 is 5005501101.

1011055005 is a `hidden beast` number, since 1 + 0 + 110 + 550 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 805935321 + 205119684 = 28389^2 + 14322^2 .

It is not a de Polignac number, because 1011055005 - 2⁵ = 1011054973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11233900 + ... + 11233989.

It is an arithmetic number, because the mean of its divisors is an integer number (146041285).

Almost surely, 2^1011055005 is an apocalyptic number.

1011055005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011055005 is a deficient number, since it is larger than the sum of its proper divisors (741440415).

1011055005 is a wasteful number, since it uses less digits than its factorization.

1011055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22467900 (or 22467897 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1011055005 is about 31797.0911405430. The cubic root of 1011055005 is about 1003.6715052189.

Adding to 1011055005 its reverse (5005501101), we get a palindrome (6016556106).

The spelling of 1011055005 in words is "one billion, eleven million, fifty-five thousand, five".