21413032113005 has 16 divisors (see below), whose sum is σ = 27690810677040. Its totient is φ = 15802080887808.

The previous prime is 21413032112951. The next prime is 21413032113023. The reversal of 21413032113005 is 50031123031412.

It can be written as a sum of positive squares in 8 ways, for example, as 684916794409 + 20728115318596 = 827597^2 + 4552814^2 .

It is a cyclic number.

It is not a de Polignac number, because 21413032113005 - 2¹⁰ = 21413032111981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110524862 + ... + 110718431.

It is an arithmetic number, because the mean of its divisors is an integer number (1730675667315).

Almost surely, 2^{21413032113005} is an apocalyptic number.

It is an amenable number.

21413032113005 is a deficient number, since it is larger than the sum of its proper divisors (6277778564035).

21413032113005 is a wasteful number, since it uses less digits than its factorization.

21413032113005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221244800.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 21413032113005 its reverse (50031123031412), we get a palindrome (71444155144417).

The spelling of 21413032113005 in words is "twenty-one trillion, four hundred thirteen billion, thirty-two million, one hundred thirteen thousand, five".