10643125441220 has 24 divisors (see below), whose sum is σ = 22437530610264. Its totient is φ = 4240684998656.

The previous prime is 10643125441183. The next prime is 10643125441243. The reversal of 10643125441220 is 2214452134601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6832954176064 + 3810171265156 = 2613992^2 + 1951966^2 .

It is a super-2 number, since 2×10643125441220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035318347 + ... + 1035328626.

It is an arithmetic number, because the mean of its divisors is an integer number (934897108761).

Almost surely, 2^{10643125441220} is an apocalyptic number.

10643125441220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10643125441220 is an abundant number, since it is smaller than the sum of its proper divisors (11794405169044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10643125441220 is a wasteful number, since it uses less digits than its factorization.

10643125441220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070647239 (or 2070647237 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 10643125441220 its reverse (2214452134601), we get a palindrome (12857577575821).

The spelling of 10643125441220 in words is "ten trillion, six hundred forty-three billion, one hundred twenty-five million, four hundred forty-one thousand, two hundred twenty".