22125244511 has 4 divisors (see below), whose sum is σ = 22126974000. Its totient is φ = 22123515024.

The previous prime is 22125244487. The next prime is 22125244529. The reversal of 22125244511 is 11544252122.

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 22125244511 - 2³⁰ = 21051502687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125244111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845411 + ... + 871188.

It is an arithmetic number, because the mean of its divisors is an integer number (5531743500).

Almost surely, 2^22125244511 is an apocalyptic number.

22125244511 is a deficient number, since it is larger than the sum of its proper divisors (1729489).

22125244511 is a wasteful number, since it uses less digits than its factorization.

22125244511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729488.

The product of its digits is 6400, while the sum is 29.

Adding to 22125244511 its reverse (11544252122), we get a palindrome (33669496633).

The spelling of 22125244511 in words is "twenty-two billion, one hundred twenty-five million, two hundred forty-four thousand, five hundred eleven".