5605001001 has 12 divisors (see below), whose sum is σ = 8098011012. Its totient is φ = 3735791136.

The previous prime is 5605000991. The next prime is 5605001011. The reversal of 5605001001 is 1001005065.

5605001001 is a `hidden beast` number, since 5 + 60 + 500 + 100 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5605000991) and next prime (5605001011).

It can be written as a sum of positive squares in 2 ways, for example, as 3813680025 + 1791320976 = 61755^2 + 42324^2 .

It is not a de Polignac number, because 5605001001 - 2¹¹ = 5604998953 is a prime.

It is a super-2 number, since 2×5605001001² = 62832072442422004002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5605001011) 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, 31246 + ... + 110391.

It is an arithmetic number, because the mean of its divisors is an integer number (674834251).

Almost surely, 2^5605001001 is an apocalyptic number.

It is an amenable number.

5605001001 is a deficient number, since it is larger than the sum of its proper divisors (2493010011).

5605001001 is a wasteful number, since it uses less digits than its factorization.

5605001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146040 (or 146037 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 5605001001 is about 74866.5546222076. The cubic root of 5605001001 is about 1776.3364662996.

Adding to 5605001001 its reverse (1001005065), we get a palindrome (6606006066).

The spelling of 5605001001 in words is "five billion, six hundred five million, one thousand, one".