1005055605489 has 16 divisors (see below), whose sum is σ = 1467617054400. Its totient is φ = 608012776896.

The previous prime is 1005055605487. The next prime is 1005055605527. The reversal of 1005055605489 is 9845065505001.

It is not a de Polignac number, because 1005055605489 - 2¹ = 1005055605487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005055605487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218393094 + ... + 218397695.

It is an arithmetic number, because the mean of its divisors is an integer number (91726065900).

Almost surely, 2^{1005055605489} is an apocalyptic number.

It is an amenable number.

1005055605489 is a deficient number, since it is larger than the sum of its proper divisors (462561448911).

1005055605489 is a wasteful number, since it uses less digits than its factorization.

1005055605489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436790864.

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 1005055605489 in words is "one trillion, five billion, fifty-five million, six hundred five thousand, four hundred eighty-nine".