10641216305 has 8 divisors (see below), whose sum is σ = 12771277992. Its totient is φ = 8511760768.

The previous prime is 10641216269. The next prime is 10641216343. The reversal of 10641216305 is 50361214601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15936064 + 10625280241 = 3992^2 + 103079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10641216305 - 2⁸ = 10641216049 is a prime.

It is a super-2 number, since 2×10641216305² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111974 + ... + 183903.

It is an arithmetic number, because the mean of its divisors is an integer number (1596409749).

Almost surely, 2^10641216305 is an apocalyptic number.

It is an amenable number.

10641216305 is a deficient number, since it is larger than the sum of its proper divisors (2130061687).

10641216305 is an equidigital number, since it uses as much as digits as its factorization.

10641216305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303075.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 10641216305 in words is "ten billion, six hundred forty-one million, two hundred sixteen thousand, three hundred five".