5170021521211 has 8 divisors (see below), whose sum is σ = 5336823024000. Its totient is φ = 5003221681920.

The previous prime is 5170021521157. The next prime is 5170021521229. The reversal of 5170021521211 is 1121251200715.

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 5170021521211 - 2²⁵ = 5169987966779 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 5170021521211.

It is not an unprimeable number, because it can be changed into a prime (5170021521241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10210635 + ... + 10705003.

It is an arithmetic number, because the mean of its divisors is an integer number (667102878000).

Almost surely, 2^{5170021521211} is an apocalyptic number.

5170021521211 is a deficient number, since it is larger than the sum of its proper divisors (166801502789).

5170021521211 is a wasteful number, since it uses less digits than its factorization.

5170021521211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831749.

The product of its (nonzero) digits is 1400, while the sum is 28.

Adding to 5170021521211 its reverse (1121251200715), we get a palindrome (6291272721926).

The spelling of 5170021521211 in words is "five trillion, one hundred seventy billion, twenty-one million, five hundred twenty-one thousand, two hundred eleven".