561087607071 has 16 divisors (see below), whose sum is σ = 767400021504. Its totient is φ = 364486920384.

The previous prime is 561087607057. The next prime is 561087607133. The reversal of 561087607071 is 170706780165.

It is a happy number.

561087607071 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561087607071 - 2⁵ = 561087607039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561087607071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561087607771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8733070 + ... + 8797083.

It is an arithmetic number, because the mean of its divisors is an integer number (47962501344).

Almost surely, 2^561087607071 is an apocalyptic number.

561087607071 is a deficient number, since it is larger than the sum of its proper divisors (206312414433).

561087607071 is a wasteful number, since it uses less digits than its factorization.

561087607071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17530430.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 561087607071 in words is "five hundred sixty-one billion, eighty-seven million, six hundred seven thousand, seventy-one".