1006005011655 has 32 divisors (see below), whose sum is σ = 1874260560384. Its totient is φ = 451210870656.

The previous prime is 1006005011611. The next prime is 1006005011663. The reversal of 1006005011655 is 5561105006001.

It is not a de Polignac number, because 1006005011655 - 2¹⁸ = 1006004749511 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90381229 + ... + 90392358.

It is an arithmetic number, because the mean of its divisors is an integer number (58570642512).

Almost surely, 2^{1006005011655} is an apocalyptic number.

1006005011655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1006005011655 is a deficient number, since it is larger than the sum of its proper divisors (868255548729).

1006005011655 is a wasteful number, since it uses less digits than its factorization.

1006005011655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180773655.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 1006005011655 in words is "one trillion, six billion, five million, eleven thousand, six hundred fifty-five".