4001111005 has 8 divisors (see below), whose sum is σ = 4966896600. Its totient is φ = 3090513216.

The previous prime is 4001110979. The next prime is 4001111011. The reversal of 4001111005 is 5001111004.

It can be written as a sum of positive squares in 4 ways, for example, as 1157768676 + 2843342329 = 34026^2 + 53323^2 .

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 4001111005 - 2⁹ = 4001110493 is a prime.

It is a super-2 number, since 2×4001111005² = 32017778548664220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13796790 + ... + 13797079.

It is an arithmetic number, because the mean of its divisors is an integer number (620862075).

Almost surely, 2^4001111005 is an apocalyptic number.

It is an amenable number.

4001111005 is a deficient number, since it is larger than the sum of its proper divisors (965785595).

4001111005 is a wasteful number, since it uses less digits than its factorization.

4001111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27593903.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 4001111005 is about 63254.3358592911. The cubic root of 4001111005 is about 1587.5480059056.

Adding to 4001111005 its reverse (5001111004), we get a palindrome (9002222009).

Subtracting 4001111005 from its reverse (5001111004), we obtain a palindrome (999999999).

The spelling of 4001111005 in words is "four billion, one million, one hundred eleven thousand, five".