1000500005001 has 12 divisors (see below), whose sum is σ = 1551795926352. Its totient is φ = 571714288488.

The previous prime is 1000500004969. The next prime is 1000500005207. The reversal of 1000500005001 is 1005000050001.

It is not a de Polignac number, because 1000500005001 - 2⁵ = 1000500004969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000500005801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3403061095 + ... + 3403061388.

It is an arithmetic number, because the mean of its divisors is an integer number (129316327196).

Almost surely, 2^{1000500005001} is an apocalyptic number.

It is an amenable number.

1000500005001 is a deficient number, since it is larger than the sum of its proper divisors (551295921351).

1000500005001 is an equidigital number, since it uses as much as digits as its factorization.

1000500005001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806122500 (or 6806122493 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

Adding to 1000500005001 its reverse (1005000050001), we get a palindrome (2005500055002).

The spelling of 1000500005001 in words is "one trillion, five hundred million, five thousand, one".