10505322243 has 64 divisors (see below), whose sum is σ = 18410112000. Its totient is φ = 5858189568.

The previous prime is 10505322221. The next prime is 10505322251. The reversal of 10505322243 is 34222350501.

It is a happy number.

10505322243 is a `hidden beast` number, since 105 + 0 + 532 + 2 + 24 + 3 = 666.

10505322243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10505322243 - 2¹³ = 10505314051 is a prime.

It is a super-2 number, since 2×10505322243² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10505322203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119143 + ... + 187631.

It is an arithmetic number, because the mean of its divisors is an integer number (287658000).

Almost surely, 2^10505322243 is an apocalyptic number.

10505322243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10505322243 is a deficient number, since it is larger than the sum of its proper divisors (7904789757).

10505322243 is a wasteful number, since it uses less digits than its factorization.

10505322243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68553 (or 68547 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 10505322243 its reverse (34222350501), we get a palindrome (44727672744).

The spelling of 10505322243 in words is "ten billion, five hundred five million, three hundred twenty-two thousand, two hundred forty-three".