7564447125316 has 27 divisors (see below), whose sum is σ = 13316418981271. Its totient is φ = 3759887937824.

The previous prime is 7564447125259. The next prime is 7564447125397. The reversal of 7564447125316 is 6135217444657.

The square root of 7564447125316 is 2750354.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1482817644100 + 6081629481216 = 1217710^2 + 2466096^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 951618510 + ... + 951626458.

Almost surely, 2^{7564447125316} is an apocalyptic number.

7564447125316 is the 2750354-th square number.

It is an amenable number.

7564447125316 is a deficient number, since it is larger than the sum of its proper divisors (5751971855955).

7564447125316 is an frugal number, since it uses more digits than its factorization.

7564447125316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248 (or 8124 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 55.

The spelling of 7564447125316 in words is "seven trillion, five hundred sixty-four billion, four hundred forty-seven million, one hundred twenty-five thousand, three hundred sixteen".