581325097688 has 8 divisors (see below), whose sum is σ = 1089984558180. Its totient is φ = 290662548840.

The previous prime is 581325097673. The next prime is 581325097751. The reversal of 581325097688 is 886790523185.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 581325097688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36332818598 + ... + 36332818613.

Almost surely, 2^581325097688 is an apocalyptic number.

It is an amenable number.

581325097688 is a deficient number, since it is larger than the sum of its proper divisors (508659460492).

581325097688 is a wasteful number, since it uses less digits than its factorization.

581325097688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72665637217 (or 72665637213 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 581325097688 in words is "five hundred eighty-one billion, three hundred twenty-five million, ninety-seven thousand, six hundred eighty-eight".