561566051006 has 32 divisors (see below), whose sum is σ = 917917712640. Its totient is φ = 256586973696.

The previous prime is 561566050973. The next prime is 561566051009. The reversal of 561566051006 is 600150665165.

It is a super-2 number, since 2×561566051006² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561566051009) 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, 136616 + ... + 1068548.

It is an arithmetic number, because the mean of its divisors is an integer number (28684928520).

Almost surely, 2^561566051006 is an apocalyptic number.

561566051006 is a deficient number, since it is larger than the sum of its proper divisors (356351661634).

561566051006 is a wasteful number, since it uses less digits than its factorization.

561566051006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932468.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 561566051006 in words is "five hundred sixty-one billion, five hundred sixty-six million, fifty-one thousand, six".