5259657786481 has 8 divisors (see below), whose sum is σ = 6011987281920. Its totient is φ = 4507565743968.

The previous prime is 5259657786473. The next prime is 5259657786499. The reversal of 5259657786481 is 1846877569525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5259657786481 - 2³ = 5259657786473 is a prime.

It is a super-2 number, since 2×5259657786481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5259657786451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59315761 + ... + 59404366.

It is an arithmetic number, because the mean of its divisors is an integer number (751498410240).

Almost surely, 2^{5259657786481} is an apocalyptic number.

It is an amenable number.

5259657786481 is a deficient number, since it is larger than the sum of its proper divisors (752329495439).

5259657786481 is a wasteful number, since it uses less digits than its factorization.

5259657786481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118726463.

The product of its digits is 1016064000, while the sum is 73.

The spelling of 5259657786481 in words is "five trillion, two hundred fifty-nine billion, six hundred fifty-seven million, seven hundred eighty-six thousand, four hundred eighty-one".