10505261441243 has 4 divisors (see below), whose sum is σ = 10505272055040. Its totient is φ = 10505250827448.

The previous prime is 10505261441197. The next prime is 10505261441267. The reversal of 10505261441243 is 34214416250501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10505261441243 - 2⁸ = 10505261440987 is a prime.

It is a super-2 number, since 2×10505261441243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10505261441197 and 10505261441206.

It is not an unprimeable number, because it can be changed into a prime (10505261441293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3649748 + ... + 5859281.

It is an arithmetic number, because the mean of its divisors is an integer number (2626318013760).

Almost surely, 2^{10505261441243} is an apocalyptic number.

10505261441243 is a deficient number, since it is larger than the sum of its proper divisors (10613797).

10505261441243 is an equidigital number, since it uses as much as digits as its factorization.

10505261441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613796.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 10505261441243 its reverse (34214416250501), we get a palindrome (44719677691744).

The spelling of 10505261441243 in words is "ten trillion, five hundred five billion, two hundred sixty-one million, four hundred forty-one thousand, two hundred forty-three".