1001010510505 has 8 divisors (see below), whose sum is σ = 1201240495872. Its totient is φ = 800789819568.

The previous prime is 1001010510473. The next prime is 1001010510581. The reversal of 1001010510505 is 5050150101001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1001010510505 - 2⁵ = 1001010510473 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 2084427 + ... + 2519296.

It is an arithmetic number, because the mean of its divisors is an integer number (150155061984).

Almost surely, 2^{1001010510505} is an apocalyptic number.

It is an amenable number.

1001010510505 is a deficient number, since it is larger than the sum of its proper divisors (200229985367).

1001010510505 is an equidigital number, since it uses as much as digits as its factorization.

1001010510505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647215.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 1001010510505 its reverse (5050150101001), we get a palindrome (6051160611506).

The spelling of 1001010510505 in words is "one trillion, one billion, ten million, five hundred ten thousand, five hundred five".