14204422545521 has 8 divisors (see below), whose sum is σ = 15585694404840. Its totient is φ = 12864382682112.

The previous prime is 14204422545491. The next prime is 14204422545541. The reversal of 14204422545521 is 12554522440241.

It can be written as a sum of positive squares in 4 ways, for example, as 10027218496 + 14194395327025 = 100136^2 + 3767545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14204422545521 - 2³⁴ = 14187242676337 is a prime.

It is a super-2 number, since 2×14204422545521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14204422545541) 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 7 ways as a sum of consecutive naturals, for example, 10307998256 + ... + 10307999633.

It is an arithmetic number, because the mean of its divisors is an integer number (1948211800605).

Almost surely, 2^{14204422545521} is an apocalyptic number.

It is an amenable number.

14204422545521 is a deficient number, since it is larger than the sum of its proper divisors (1381271859319).

14204422545521 is a wasteful number, since it uses less digits than its factorization.

14204422545521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20615997955.

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 14204422545521 its reverse (12554522440241), we get a palindrome (26758944985762).

The spelling of 14204422545521 in words is "fourteen trillion, two hundred four billion, four hundred twenty-two million, five hundred forty-five thousand, five hundred twenty-one".