561230107655 has 16 divisors (see below), whose sum is σ = 769808311104. Its totient is φ = 384782849280.

The previous prime is 561230107649. The next prime is 561230107681. The reversal of 561230107655 is 556701032165.

561230107655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561230107655 - 2⁶ = 561230107591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037792 + ... + 1483061.

It is an arithmetic number, because the mean of its divisors is an integer number (48113019444).

Almost surely, 2^561230107655 is an apocalyptic number.

561230107655 is a deficient number, since it is larger than the sum of its proper divisors (208578203449).

561230107655 is a wasteful number, since it uses less digits than its factorization.

561230107655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527226.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 561230107655 in words is "five hundred sixty-one billion, two hundred thirty million, one hundred seven thousand, six hundred fifty-five".