561025505308 has 12 divisors (see below), whose sum is σ = 987469749000. Its totient is φ = 278891291312.

The previous prime is 561025505191. The next prime is 561025505311. The reversal of 561025505308 is 803505520165.

561025505308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405364558 + ... + 405365941.

It is an arithmetic number, because the mean of its divisors is an integer number (82289145750).

Almost surely, 2^561025505308 is an apocalyptic number.

It is an amenable number.

561025505308 is a deficient number, since it is larger than the sum of its proper divisors (426444243692).

561025505308 is a wasteful number, since it uses less digits than its factorization.

561025505308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810730676 (or 810730674 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 561025505308 in words is "five hundred sixty-one billion, twenty-five million, five hundred five thousand, three hundred eight".