22131521439953 has 8 divisors (see below), whose sum is σ = 22351125164160. Its totient is φ = 21911927122800.

The previous prime is 22131521439947. The next prime is 22131521439983. The reversal of 22131521439953 is 35993412513122.

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

It is a cyclic number.

It is not a de Polignac number, because 22131521439953 - 2⁶ = 22131521439889 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 (22131521439913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424776 + ... + 7081142.

It is an arithmetic number, because the mean of its divisors is an integer number (2793890645520).

Almost surely, 2^{22131521439953} is an apocalyptic number.

It is an amenable number.

22131521439953 is a deficient number, since it is larger than the sum of its proper divisors (219603724207).

22131521439953 is a wasteful number, since it uses less digits than its factorization.

22131521439953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703527.

The product of its digits is 1749600, while the sum is 50.

The spelling of 22131521439953 in words is "twenty-two trillion, one hundred thirty-one billion, five hundred twenty-one million, four hundred thirty-nine thousand, nine hundred fifty-three".