7091200000 has 168 divisors, whose sum is σ = 17789775444. Its totient is φ = 2826240000.

The previous prime is 7091199971. The next prime is 7091200009. The reversal of 7091200000 is 21907.

It can be written as a sum of positive squares in 6 ways, for example, as 1833209856 + 5257990144 = 42816^2 + 72512^2 .

It is not an unprimeable number, because it can be changed into a prime (7091200009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25599862 + ... + 25600138.

Almost surely, 2^7091200000 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 7091200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8894887722).

7091200000 is an abundant number, since it is smaller than the sum of its proper divisors (10698575444).

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

7091200000 is an frugal number, since it uses more digits than its factorization.

7091200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 7091200000 is about 84209.2631484209. The cubic root of 7091200000 is about 1921.2029498544.

Adding to 7091200000 its reverse (21907), we get a palindrome (7091221907).

The spelling of 7091200000 in words is "seven billion, ninety-one million, two hundred thousand".