1000601511005 has 4 divisors (see below), whose sum is σ = 1200721813212. Its totient is φ = 800481208800.

The previous prime is 1000601510989. The next prime is 1000601511017. The reversal of 1000601511005 is 5001151060001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 503630089561 + 496971421444 = 709669^2 + 704962^2 .

It is not a de Polignac number, because 1000601511005 - 2⁴ = 1000601510989 is a prime.

It is a super-2 number, since 2×1000601511005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100060151096 + ... + 100060151105.

It is an arithmetic number, because the mean of its divisors is an integer number (300180453303).

Almost surely, 2^{1000601511005} is an apocalyptic number.

It is an amenable number.

1000601511005 is a deficient number, since it is larger than the sum of its proper divisors (200120302207).

1000601511005 is an equidigital number, since it uses as much as digits as its factorization.

1000601511005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200120302206.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 1000601511005 its reverse (5001151060001), we get a palindrome (6001752571006).

The spelling of 1000601511005 in words is "one trillion, six hundred one million, five hundred eleven thousand, five".