10530502455321 has 24 divisors (see below), whose sum is σ = 15845443877120. Its totient is φ = 6731543426400.

The previous prime is 10530502455313. The next prime is 10530502455329. The reversal of 10530502455321 is 12355420503501.

10530502455321 is a `hidden beast` number, since 1 + 0 + 5 + 30 + 50 + 2 + 4 + 553 + 21 = 666.

10530502455321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10530502455313) and next prime (10530502455329).

It is not a de Polignac number, because 10530502455321 - 2³ = 10530502455313 is a prime.

It is a super-2 number, since 2×10530502455321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10530502455329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173105995 + ... + 173166816.

Almost surely, 2^{10530502455321} is an apocalyptic number.

It is an amenable number.

10530502455321 is a deficient number, since it is larger than the sum of its proper divisors (5314941421799).

10530502455321 is a wasteful number, since it uses less digits than its factorization.

10530502455321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346272957 (or 346272954 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 10530502455321 its reverse (12355420503501), we get a palindrome (22885922958822).

The spelling of 10530502455321 in words is "ten trillion, five hundred thirty billion, five hundred two million, four hundred fifty-five thousand, three hundred twenty-one".