10263204220565 has 8 divisors (see below), whose sum is σ = 12315886991928. Its totient is φ = 8210535424960.

The previous prime is 10263204220531. The next prime is 10263204220567. The reversal of 10263204220565 is 56502240236201.

It can be written as a sum of positive squares in 4 ways, for example, as 4543027947844 + 5720176272721 = 2131438^2 + 2391689^2 .

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

It is not a de Polignac number, because 10263204220565 - 2¹² = 10263204216469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10263204220567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804046 + ... + 4876575.

It is an arithmetic number, because the mean of its divisors is an integer number (1539485873991).

Almost surely, 2^{10263204220565} is an apocalyptic number.

It is an amenable number.

10263204220565 is a deficient number, since it is larger than the sum of its proper divisors (2052682771363).

10263204220565 is an equidigital number, since it uses as much as digits as its factorization.

10263204220565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987879.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 10263204220565 its reverse (56502240236201), we get a palindrome (66765444456766).

The spelling of 10263204220565 in words is "ten trillion, two hundred sixty-three billion, two hundred four million, two hundred twenty thousand, five hundred sixty-five".