21652614506201 has 32 divisors (see below), whose sum is σ = 24993725602560. Its totient is φ = 18373867352064.

The previous prime is 21652614506119. The next prime is 21652614506293. The reversal of 21652614506201 is 10260541625612.

It is not a de Polignac number, because 21652614506201 - 2³⁴ = 21635434637017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21652614506401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4829936306 + ... + 4829940788.

It is an arithmetic number, because the mean of its divisors is an integer number (781053925080).

Almost surely, 2^{21652614506201} is an apocalyptic number.

It is an amenable number.

21652614506201 is a deficient number, since it is larger than the sum of its proper divisors (3341111096359).

21652614506201 is a wasteful number, since it uses less digits than its factorization.

21652614506201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 21652614506201 in words is "twenty-one trillion, six hundred fifty-two billion, six hundred fourteen million, five hundred six thousand, two hundred one".