561357045043 has 16 divisors (see below), whose sum is σ = 576371727360. Its totient is φ = 546433526016.

The previous prime is 561357045013. The next prime is 561357045071. The reversal of 561357045043 is 340540753165.

It is a cyclic number.

It is not a de Polignac number, because 561357045043 - 2⁹ = 561357044531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561357045013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24591171 + ... + 24613987.

It is an arithmetic number, because the mean of its divisors is an integer number (36023232960).

Almost surely, 2^561357045043 is an apocalyptic number.

561357045043 is a deficient number, since it is larger than the sum of its proper divisors (15014682317).

561357045043 is a wasteful number, since it uses less digits than its factorization.

561357045043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24786.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 561357045043 in words is "five hundred sixty-one billion, three hundred fifty-seven million, forty-five thousand, forty-three".