1000500510561 has 8 divisors (see below), whose sum is σ = 1339315425504. Its totient is φ = 664342968000.

The previous prime is 1000500510551. The next prime is 1000500510563. The reversal of 1000500510561 is 1650150050001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000500510561 - 2⁶ = 1000500510497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000500510563) 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 7 ways as a sum of consecutive naturals, for example, 664342216 + ... + 664343721.

It is an arithmetic number, because the mean of its divisors is an integer number (167414428188).

Almost surely, 2^{1000500510561} is an apocalyptic number.

It is an amenable number.

1000500510561 is a deficient number, since it is larger than the sum of its proper divisors (338814914943).

1000500510561 is a wasteful number, since it uses less digits than its factorization.

1000500510561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328686191.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 1000500510561 its reverse (1650150050001), we get a palindrome (2650650560562).

The spelling of 1000500510561 in words is "one trillion, five hundred million, five hundred ten thousand, five hundred sixty-one".