561041023245 has 16 divisors (see below), whose sum is σ = 898097049792. Its totient is φ = 299078074880.

The previous prime is 561041023223. The next prime is 561041023289. The reversal of 561041023245 is 542320140165.

It is not a de Polignac number, because 561041023245 - 2⁶ = 561041023181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8955507 + ... + 9017936.

It is an arithmetic number, because the mean of its divisors is an integer number (56131065612).

Almost surely, 2^561041023245 is an apocalyptic number.

It is an amenable number.

561041023245 is a deficient number, since it is larger than the sum of its proper divisors (337056026547).

561041023245 is a wasteful number, since it uses less digits than its factorization.

561041023245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17975532.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 561041023245 in words is "five hundred sixty-one billion, forty-one million, twenty-three thousand, two hundred forty-five".