561044041235 has 4 divisors (see below), whose sum is σ = 673252849488. Its totient is φ = 448835232984.

The previous prime is 561044041141. The next prime is 561044041241. The reversal of 561044041235 is 532140440165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532140440165 = 5 ⋅106428088033.

It is a cyclic number.

It is not a de Polignac number, because 561044041235 - 2²⁸ = 560775605779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561044041195 and 561044041204.

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, 56104404119 + ... + 56104404128.

It is an arithmetic number, because the mean of its divisors is an integer number (168313212372).

Almost surely, 2^561044041235 is an apocalyptic number.

561044041235 is a deficient number, since it is larger than the sum of its proper divisors (112208808253).

561044041235 is a wasteful number, since it uses less digits than its factorization.

561044041235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112208808252.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 561044041235 in words is "five hundred sixty-one billion, forty-four million, forty-one thousand, two hundred thirty-five".