7111241280 has 672 divisors, whose sum is σ = 29716098048. Its totient is φ = 1537228800.

The previous prime is 7111241273. The next prime is 7111241297. The reversal of 7111241280 is 821421117.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12766762 + ... + 12767318.

It is an arithmetic number, because the mean of its divisors is an integer number (44220384).

Almost surely, 2^7111241280 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 7111241280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14858049024).

7111241280 is an abundant number, since it is smaller than the sum of its proper divisors (22604856768).

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

7111241280 is a wasteful number, since it uses less digits than its factorization.

7111241280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 7111241280 is about 84328.1760741924. The cubic root of 7111241280 is about 1923.0111605065.

Adding to 7111241280 its reverse (821421117), we get a palindrome (7932662397).

The spelling of 7111241280 in words is "seven billion, one hundred eleven million, two hundred forty-one thousand, two hundred eighty".