1000500665055 has 32 divisors (see below), whose sum is σ = 1648086052800. Its totient is φ = 517909220352.

The previous prime is 1000500665053. The next prime is 1000500665081. The reversal of 1000500665055 is 5505660050001.

It is not a de Polignac number, because 1000500665055 - 2¹ = 1000500665053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000500665053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1976800 + ... + 2430789.

It is an arithmetic number, because the mean of its divisors is an integer number (51502689150).

Almost surely, 2^{1000500665055} is an apocalyptic number.

1000500665055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1000500665055 is a deficient number, since it is larger than the sum of its proper divisors (647585387745).

1000500665055 is a wasteful number, since it uses less digits than its factorization.

1000500665055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408043.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 1000500665055 in words is "one trillion, five hundred million, six hundred sixty-five thousand, fifty-five".