10521314343513 has 24 divisors (see below), whose sum is σ = 15763036056768. Its totient is φ = 7013001978864.

The previous prime is 10521314343509. The next prime is 10521314343523. The reversal of 10521314343513 is 31534341312501.

10521314343513 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 131 + 4 + 3 + 4 + 3 + 513 = 666.

10521314343513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10521314343513 - 2² = 10521314343509 is a prime.

It is a super-2 number, since 2×10521314343513² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521314343523) 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, 2311645 + ... + 5136762.

It is an arithmetic number, because the mean of its divisors is an integer number (656793169032).

Almost surely, 2^{10521314343513} is an apocalyptic number.

It is an amenable number.

10521314343513 is a deficient number, since it is larger than the sum of its proper divisors (5241721713255).

10521314343513 is an frugal number, since it uses more digits than its factorization.

10521314343513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454235 (or 7454223 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 10521314343513 in words is "ten trillion, five hundred twenty-one billion, three hundred fourteen million, three hundred forty-three thousand, five hundred thirteen".