581611108479 has 8 divisors (see below), whose sum is σ = 775485414960. Its totient is φ = 387738770496.

The previous prime is 581611108381. The next prime is 581611108483. The reversal of 581611108479 is 974801116185.

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

It is not a de Polignac number, because 581611108479 - 2⁸ = 581611108223 is a prime.

It is a super-2 number, since 2×581611108479² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581611108489) 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, 460987 + ... + 1172915.

It is an arithmetic number, because the mean of its divisors is an integer number (96935676870).

Almost surely, 2^581611108479 is an apocalyptic number.

581611108479 is a deficient number, since it is larger than the sum of its proper divisors (193874306481).

581611108479 is a wasteful number, since it uses less digits than its factorization.

581611108479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984249.

The product of its (nonzero) digits is 483840, while the sum is 51.

The spelling of 581611108479 in words is "five hundred eighty-one billion, six hundred eleven million, one hundred eight thousand, four hundred seventy-nine".