5211422511 has 4 divisors (see below), whose sum is σ = 6948563352. Its totient is φ = 3474281672.

The previous prime is 5211422483. The next prime is 5211422519. The reversal of 5211422511 is 1152241125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5211422511 - 2¹⁰ = 5211421487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211422519) 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, 868570416 + ... + 868570421.

It is an arithmetic number, because the mean of its divisors is an integer number (1737140838).

Almost surely, 2^5211422511 is an apocalyptic number.

5211422511 is a deficient number, since it is larger than the sum of its proper divisors (1737140841).

5211422511 is a wasteful number, since it uses less digits than its factorization.

5211422511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737140840.

The product of its digits is 800, while the sum is 24.

The square root of 5211422511 is about 72190.1829267664. The cubic root of 5211422511 is about 1733.7458247295.

Adding to 5211422511 its reverse (1152241125), we get a palindrome (6363663636).

The spelling of 5211422511 in words is "five billion, two hundred eleven million, four hundred twenty-two thousand, five hundred eleven".