561362240045 has 32 divisors (see below), whose sum is σ = 757126656000. Its totient is φ = 397491361344.

The previous prime is 561362240017. The next prime is 561362240057. The reversal of 561362240045 is 540042263165.

It is a cyclic number.

It is not a de Polignac number, because 561362240045 - 2²² = 561358045741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 561362239990 and 561362240008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2893445 + ... + 3081354.

It is an arithmetic number, because the mean of its divisors is an integer number (23660208000).

Almost surely, 2^561362240045 is an apocalyptic number.

It is an amenable number.

561362240045 is a deficient number, since it is larger than the sum of its proper divisors (195764415955).

561362240045 is a wasteful number, since it uses less digits than its factorization.

561362240045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974889.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 561362240045 in words is "five hundred sixty-one billion, three hundred sixty-two million, two hundred forty thousand, forty-five".