10504320321 has 8 divisors (see below), whose sum is σ = 15279011424. Its totient is φ = 6366254720.

The previous prime is 10504320301. The next prime is 10504320341. The reversal of 10504320321 is 12302340501.

It is an interprime number because it is at equal distance from previous prime (10504320301) and next prime (10504320341).

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

It is a cyclic number.

It is not a de Polignac number, because 10504320321 - 2⁶ = 10504320257 is a prime.

It is a super-3 number, since 3×10504320321³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10504320301) 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, 159156336 + ... + 159156401.

It is an arithmetic number, because the mean of its divisors is an integer number (1909876428).

Almost surely, 2^10504320321 is an apocalyptic number.

10504320321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10504320321 is a deficient number, since it is larger than the sum of its proper divisors (4774691103).

10504320321 is a wasteful number, since it uses less digits than its factorization.

10504320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318312751.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10504320321 its reverse (12302340501), we get a palindrome (22806660822).

The spelling of 10504320321 in words is "ten billion, five hundred four million, three hundred twenty thousand, three hundred twenty-one".