225243530320105 has 12 divisors (see below), whose sum is σ = 297098078009796. Its totient is φ = 163813476596000.

The previous prime is 225243530320079. The next prime is 225243530320139. The reversal of 225243530320105 is 501023035342522.

It can be written as a sum of positive squares in 2 ways, for example, as 106889213948176 + 118354316371929 = 10338724^2 + 10879077^2 .

It is not a de Polignac number, because 225243530320105 - 2¹⁵ = 225243530287337 is a prime.

It is a super-2 number, since 2×225243530320105² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186151677346 + ... + 186151678555.

It is an arithmetic number, because the mean of its divisors is an integer number (24758173167483).

Almost surely, 2^{225243530320105} is an apocalyptic number.

It is an amenable number.

225243530320105 is a deficient number, since it is larger than the sum of its proper divisors (71854547689691).

225243530320105 is a wasteful number, since it uses less digits than its factorization.

225243530320105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372303355928 (or 372303355917 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 225243530320105 its reverse (501023035342522), we get a palindrome (726266565662627).

The spelling of 225243530320105 in words is "two hundred twenty-five trillion, two hundred forty-three billion, five hundred thirty million, three hundred twenty thousand, one hundred five".