10513216550665 has 16 divisors (see below), whose sum is σ = 12909824928000. Its totient is φ = 8214613892352.

The previous prime is 10513216550659. The next prime is 10513216550699. The reversal of 10513216550665 is 56605561231501.

10513216550665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10513216550665 - 2⁷ = 10513216550537 is a prime.

It is a super-2 number, since 2×10513216550665² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3821536 + ... + 5969134.

It is an arithmetic number, because the mean of its divisors is an integer number (806864058000).

Almost surely, 2^{10513216550665} is an apocalyptic number.

It is an amenable number.

10513216550665 is a deficient number, since it is larger than the sum of its proper divisors (2396608377335).

10513216550665 is a wasteful number, since it uses less digits than its factorization.

10513216550665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170416.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 10513216550665 in words is "ten trillion, five hundred thirteen billion, two hundred sixteen million, five hundred fifty thousand, six hundred sixty-five".