4004513521005 has 16 divisors (see below), whose sum is σ = 6407343690624. Its totient is φ = 2135699858880.

The previous prime is 4004513520991. The next prime is 4004513521009. The reversal of 4004513521005 is 5001253154004.

4004513521005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4004513521005 - 2³⁷ = 3867074567533 is a prime.

It is a super-2 number, since 2×4004513521005² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004513521009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720626 + ... + 3312035.

It is an arithmetic number, because the mean of its divisors is an integer number (400458980664).

Almost surely, 2^{4004513521005} is an apocalyptic number.

It is an amenable number.

4004513521005 is a deficient number, since it is larger than the sum of its proper divisors (2402830169619).

4004513521005 is a wasteful number, since it uses less digits than its factorization.

4004513521005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085716.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 4004513521005 its reverse (5001253154004), we get a palindrome (9005766675009).

The spelling of 4004513521005 in words is "four trillion, four billion, five hundred thirteen million, five hundred twenty-one thousand, five".