561605411054 has 4 divisors (see below), whose sum is σ = 842408116584. Its totient is φ = 280802705526.

The previous prime is 561605411039. The next prime is 561605411093. The reversal of 561605411054 is 450114506165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450114506165 = 5 ⋅90022901233.

It is a junction number, because it is equal to n+sod(n) for n = 561605410999 and 561605411017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140401352762 + ... + 140401352765.

It is an arithmetic number, because the mean of its divisors is an integer number (210602029146).

Almost surely, 2^561605411054 is an apocalyptic number.

561605411054 is a deficient number, since it is larger than the sum of its proper divisors (280802705530).

561605411054 is a wasteful number, since it uses less digits than its factorization.

561605411054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280802705529.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 561605411054 in words is "five hundred sixty-one billion, six hundred five million, four hundred eleven thousand, fifty-four".