10521334053 has 14 divisors (see below), whose sum is σ = 15774785894. Its totient is φ = 7014222216.

The previous prime is 10521334007. The next prime is 10521334073. The reversal of 10521334053 is 35043312501.

10521334053 is a `hidden beast` number, since 105 + 213 + 340 + 5 + 3 = 666.

10521334053 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 only one way, i.e., 9974616129 + 546717924 = 99873^2 + 23382^2 .

It is not a de Polignac number, because 10521334053 - 2¹⁰ = 10521333029 is a prime.

It is a super-2 number, since 2×10521334053² (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 a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521334073) 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 13 ways as a sum of consecutive naturals, for example, 7215550 + ... + 7217007.

It is an arithmetic number, because the mean of its divisors is an integer number (1126770421).

Almost surely, 2^10521334053 is an apocalyptic number.

It is an amenable number.

10521334053 is a deficient number, since it is larger than the sum of its proper divisors (5253451841).

10521334053 is an frugal number, since it uses more digits than its factorization.

10521334053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432575 (or 14432560 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 10521334053 its reverse (35043312501), we get a palindrome (45564646554).

The spelling of 10521334053 in words is "ten billion, five hundred twenty-one million, three hundred thirty-four thousand, fifty-three".