6211025720 has 64 divisors (see below), whose sum is σ = 14402495520. Its totient is φ = 2408845824.

The previous prime is 6211025719. The next prime is 6211025749. The reversal of 6211025720 is 275201126.

It is a self number, because there is not a number n which added to its sum of digits gives 6211025720.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 426479 + ... + 440801.

Almost surely, 2^6211025720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6211025720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7201247760).

6211025720 is an abundant number, since it is smaller than the sum of its proper divisors (8191469800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6211025720 is a wasteful number, since it uses less digits than its factorization.

6211025720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14664 (or 14660 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 6211025720 is about 78810.0610328402. The cubic root of 6211025720 is about 1838.1788968395.

Adding to 6211025720 its reverse (275201126), we get a palindrome (6486226846).

The spelling of 6211025720 in words is "six billion, two hundred eleven million, twenty-five thousand, seven hundred twenty".