7225534013520 has 80 divisors (see below), whose sum is σ = 23716752834240. Its totient is φ = 1813467359232.

The previous prime is 7225534013513. The next prime is 7225534013543. The reversal of 7225534013520 is 253104355227.

It is a tau number, because it is divible by the number of its divisors (80).

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, 885478030 + ... + 885486189.

It is an arithmetic number, because the mean of its divisors is an integer number (296459410428).

Almost surely, 2^{7225534013520} is an apocalyptic number.

It is an amenable number.

7225534013520 is an abundant number, since it is smaller than the sum of its proper divisors (16491218820720).

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

7225534013520 is a wasteful number, since it uses less digits than its factorization.

7225534013520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770964252 (or 1770964246 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

Adding to 7225534013520 its reverse (253104355227), we get a palindrome (7478638368747).

The spelling of 7225534013520 in words is "seven trillion, two hundred twenty-five billion, five hundred thirty-four million, thirteen thousand, five hundred twenty".