10510321305 has 16 divisors (see below), whose sum is σ = 18345288384. Its totient is φ = 5095913280.

The previous prime is 10510321277. The next prime is 10510321307. The reversal of 10510321305 is 50312301501.

It is not a de Polignac number, because 10510321305 - 2⁸ = 10510321049 is a prime.

It is a super-2 number, since 2×10510321305² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10510321307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31849294 + ... + 31849623.

It is an arithmetic number, because the mean of its divisors is an integer number (1146580524).

Almost surely, 2^10510321305 is an apocalyptic number.

10510321305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10510321305 is a deficient number, since it is larger than the sum of its proper divisors (7834967079).

10510321305 is a wasteful number, since it uses less digits than its factorization.

10510321305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63698936.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 10510321305 its reverse (50312301501), we get a palindrome (60822622806).

The spelling of 10510321305 in words is "ten billion, five hundred ten million, three hundred twenty-one thousand, three hundred five".