22053641561617 has 4 divisors (see below), whose sum is σ = 22054156407360. Its totient is φ = 22053126715876.

The previous prime is 22053641561569. The next prime is 22053641561621. The reversal of 22053641561617 is 71616514635022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22053641561617 - 2³⁵ = 22019281823249 is a prime.

It is a super-2 number, since 2×22053641561617² (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 (22053641561657) 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 3 ways as a sum of consecutive naturals, for example, 257358613 + ... + 257444290.

It is an arithmetic number, because the mean of its divisors is an integer number (5513539101840).

Almost surely, 2^{22053641561617} is an apocalyptic number.

It is an amenable number.

22053641561617 is a deficient number, since it is larger than the sum of its proper divisors (514845743).

22053641561617 is an equidigital number, since it uses as much as digits as its factorization.

22053641561617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514845742.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 22053641561617 in words is "twenty-two trillion, fifty-three billion, six hundred forty-one million, five hundred sixty-one thousand, six hundred seventeen".