8018383305625 has 135 divisors (see below), whose sum is σ = 12820300763193. Its totient is φ = 4995074700000.

The previous prime is 8018383305539. The next prime is 8018383305649. The reversal of 8018383305625 is 5265033838108.

It is a happy number.

The square root of 8018383305625 is 2831675.

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

It can be written as a sum of positive squares in 2 ways, for example, as 628641251161 + 7389742054464 = 792869^2 + 2718408^2 .

It is not a de Polignac number, because 8018383305625 - 2¹³ = 8018383297433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 5450973640 + ... + 5450975110.

Almost surely, 2^{8018383305625} is an apocalyptic number.

8018383305625 is the 2831675-th square number.

8018383305625 is the 1415838-th centered octagonal number.

It is an amenable number.

8018383305625 is a deficient number, since it is larger than the sum of its proper divisors (4801917457568).

8018383305625 is an frugal number, since it uses more digits than its factorization.

8018383305625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 8018383305625 in words is "eight trillion, eighteen billion, three hundred eighty-three million, three hundred five thousand, six hundred twenty-five".