5205191211 has 24 divisors (see below), whose sum is σ = 8281767936. Its totient is φ = 3124027440.

The previous prime is 5205191209. The next prime is 5205191213. The reversal of 5205191211 is 1121915025.

5205191211 is a `hidden beast` number, since 5 + 20 + 519 + 121 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5205191209) and next prime (5205191213).

It is not a de Polignac number, because 5205191211 - 2¹ = 5205191209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5205191213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245035 + ... + 265428.

It is an arithmetic number, because the mean of its divisors is an integer number (345073664).

Almost surely, 2^5205191211 is an apocalyptic number.

5205191211 is a deficient number, since it is larger than the sum of its proper divisors (3076576725).

5205191211 is a wasteful number, since it uses less digits than its factorization.

5205191211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510583 (or 510580 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 5205191211 is about 72147.0111023319. The cubic root of 5205191211 is about 1733.0545356038.

The spelling of 5205191211 in words is "five billion, two hundred five million, one hundred ninety-one thousand, two hundred eleven".