561342144011044 has 12 divisors (see below), whose sum is σ = 1071653184021168. Its totient is φ = 255155520005000.

The previous prime is 561342144011021. The next prime is 561342144011107. The reversal of 561342144011044 is 440110441243165.

It is a super-2 number, since 2×561342144011044² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561342144010988 and 561342144011006.

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, 6378888000082 + ... + 6378888000169.

It is an arithmetic number, because the mean of its divisors is an integer number (89304432001764).

Almost surely, 2^{561342144011044} is an apocalyptic number.

It is an amenable number.

561342144011044 is a deficient number, since it is larger than the sum of its proper divisors (510311040010124).

561342144011044 is a wasteful number, since it uses less digits than its factorization.

561342144011044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757776000266 (or 12757776000264 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 561342144011044 in words is "five hundred sixty-one trillion, three hundred forty-two billion, one hundred forty-four million, eleven thousand, forty-four".