10216845055213 has 4 divisors (see below), whose sum is σ = 10218487376988. Its totient is φ = 10215202733440.

The previous prime is 10216845055201. The next prime is 10216845055247. The reversal of 10216845055213 is 31255054861201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3318379576164 + 6898465479049 = 1821642^2 + 2626493^2 .

It is a cyclic number.

It is not a de Polignac number, because 10216845055213 - 2²¹ = 10216842958061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10216845055213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10216845050213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821151556 + ... + 821163997.

It is an arithmetic number, because the mean of its divisors is an integer number (2554621844247).

Almost surely, 2^{10216845055213} is an apocalyptic number.

It is an amenable number.

10216845055213 is a deficient number, since it is larger than the sum of its proper divisors (1642321775).

10216845055213 is an equidigital number, since it uses as much as digits as its factorization.

10216845055213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642321774.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 10216845055213 in words is "ten trillion, two hundred sixteen billion, eight hundred forty-five million, fifty-five thousand, two hundred thirteen".