10505328250 has 16 divisors (see below), whose sum is σ = 19665974952. Its totient is φ = 4202131200.

The previous prime is 10505328217. The next prime is 10505328277. The reversal of 10505328250 is 5282350501.

10505328250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2857650849 + 7647677401 = 53457^2 + 87451^2 .

It is a super-2 number, since 2×10505328250² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21010407 + ... + 21010906.

Almost surely, 2^10505328250 is an apocalyptic number.

10505328250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505328250 is a deficient number, since it is larger than the sum of its proper divisors (9160646702).

10505328250 is an equidigital number, since it uses as much as digits as its factorization.

10505328250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42021330 (or 42021320 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 10505328250 its reverse (5282350501), we get a palindrome (15787678751).

The spelling of 10505328250 in words is "ten billion, five hundred five million, three hundred twenty-eight thousand, two hundred fifty".