21214040325005 has 32 divisors (see below), whose sum is σ = 27824345164800. Its totient is φ = 15398839687680.

The previous prime is 21214040324941. The next prime is 21214040325053. The reversal of 21214040325005 is 50052304041212.

It is not a de Polignac number, because 21214040325005 - 2⁶ = 21214040324941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73349921 + ... + 73638569.

It is an arithmetic number, because the mean of its divisors is an integer number (869510786400).

Almost surely, 2^{21214040325005} is an apocalyptic number.

It is an amenable number.

21214040325005 is a deficient number, since it is larger than the sum of its proper divisors (6610304839795).

21214040325005 is a wasteful number, since it uses less digits than its factorization.

21214040325005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291221.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 21214040325005 its reverse (50052304041212), we get a palindrome (71266344366217).

The spelling of 21214040325005 in words is "twenty-one trillion, two hundred fourteen billion, forty million, three hundred twenty-five thousand, five".