10643653361312 has 48 divisors (see below), whose sum is σ = 21093824449152. Its totient is φ = 5286608421120.

The previous prime is 10643653361309. The next prime is 10643653361347. The reversal of 10643653361312 is 21316335634601.

It is a happy number.

It is a super-2 number, since 2×10643653361312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090853 + ... + 4741019.

It is an arithmetic number, because the mean of its divisors is an integer number (439454676024).

Almost surely, 2^{10643653361312} is an apocalyptic number.

It is an amenable number.

10643653361312 is a deficient number, since it is larger than the sum of its proper divisors (10450171087840).

10643653361312 is a wasteful number, since it uses less digits than its factorization.

10643653361312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650781 (or 3650773 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 44.

Adding to 10643653361312 its reverse (21316335634601), we get a palindrome (31959988995913).

The spelling of 10643653361312 in words is "ten trillion, six hundred forty-three billion, six hundred fifty-three million, three hundred sixty-one thousand, three hundred twelve".