561553006043 has 2 divisors, whose sum is σ = 561553006044. Its totient is φ = 561553006042.

The previous prime is 561553006037. The next prime is 561553006081. The reversal of 561553006043 is 340600355165.

It is an a-pointer prime, because the next prime (561553006081) can be obtained adding 561553006043 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561553006043 - 2¹⁴ = 561552989659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561553005988 and 561553006006.

It is not a weakly prime, because it can be changed into another prime (561553006013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280776503021 + 280776503022.

It is an arithmetic number, because the mean of its divisors is an integer number (280776503022).

Almost surely, 2^561553006043 is an apocalyptic number.

561553006043 is a deficient number, since it is larger than the sum of its proper divisors (1).

561553006043 is an equidigital number, since it uses as much as digits as its factorization.

561553006043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 561553006043 in words is "five hundred sixty-one billion, five hundred fifty-three million, six thousand, forty-three".