6211261056 has 576 divisors, whose sum is σ = 22641111360. Its totient is φ = 1476034560.

The previous prime is 6211261051. The next prime is 6211261079. The reversal of 6211261056 is 6501621126.

It is not an unprimeable number, because it can be changed into a prime (6211261051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 54966856 + ... + 54966968.

It is an arithmetic number, because the mean of its divisors is an integer number (39307485).

Almost surely, 2^6211261056 is an apocalyptic number.

6211261056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6211261056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11320555680).

6211261056 is an abundant number, since it is smaller than the sum of its proper divisors (16429850304).

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

6211261056 is a wasteful number, since it uses less digits than its factorization.

6211261056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 6211261056 is about 78811.5540767976. The cubic root of 6211261056 is about 1838.2021127690.

The spelling of 6211261056 in words is "six billion, two hundred eleven million, two hundred sixty-one thousand, fifty-six".