14205525540221 has 24 divisors (see below), whose sum is σ = 15858691940160. Its totient is φ = 12696402210624.

The previous prime is 14205525540187. The next prime is 14205525540257. The reversal of 14205525540221 is 12204552550241.

It is not a de Polignac number, because 14205525540221 - 2³⁴ = 14188345671037 is a prime.

It is a super-2 number, since 2×14205525540221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14205525540421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11112311 + ... + 12324548.

It is an arithmetic number, because the mean of its divisors is an integer number (660778830840).

Almost surely, 2^{14205525540221} is an apocalyptic number.

It is an amenable number.

14205525540221 is a deficient number, since it is larger than the sum of its proper divisors (1653166399939).

14205525540221 is a wasteful number, since it uses less digits than its factorization.

14205525540221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23436993 (or 23436974 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 14205525540221 in words is "fourteen trillion, two hundred five billion, five hundred twenty-five million, five hundred forty thousand, two hundred twenty-one".