581203104385 has 16 divisors (see below), whose sum is σ = 742180752000. Its totient is φ = 435412682496.

The previous prime is 581203104373. The next prime is 581203104401. The reversal of 581203104385 is 583401302185.

It is a cyclic number.

It is not a de Polignac number, because 581203104385 - 2⁷ = 581203104257 is a prime.

It is a super-2 number, since 2×581203104385² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17163195 + ... + 17197024.

It is an arithmetic number, because the mean of its divisors is an integer number (46386297000).

Almost surely, 2^581203104385 is an apocalyptic number.

It is an amenable number.

581203104385 is a deficient number, since it is larger than the sum of its proper divisors (160977647615).

581203104385 is a wasteful number, since it uses less digits than its factorization.

581203104385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34360440.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 581203104385 in words is "five hundred eighty-one billion, two hundred three million, one hundred four thousand, three hundred eighty-five".