1305320520088 has 32 divisors (see below), whose sum is σ = 2636631138960. Its totient is φ = 602252703360.

The previous prime is 1305320520067. The next prime is 1305320520089. The reversal of 1305320520088 is 8800250235031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305320520089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803295 + ... + 2421262.

Almost surely, 2^{1305320520088} is an apocalyptic number.

It is an amenable number.

1305320520088 is an abundant number, since it is smaller than the sum of its proper divisors (1331310618872).

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

1305320520088 is a wasteful number, since it uses less digits than its factorization.

1305320520088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227547 (or 4227543 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 1305320520088 in words is "one trillion, three hundred five billion, three hundred twenty million, five hundred twenty thousand, eighty-eight".