561004550041 has 16 divisors (see below), whose sum is σ = 606915618624. Its totient is φ = 515488042944.

The previous prime is 561004550017. The next prime is 561004550047. The reversal of 561004550041 is 140055400165.

561004550041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 561004550041 - 2¹³ = 561004541849 is a prime.

It is a super-2 number, since 2×561004550041² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561004549985 and 561004550012.

It is not an unprimeable number, because it can be changed into a prime (561004550047) 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, 27100491 + ... + 27121183.

It is an arithmetic number, because the mean of its divisors is an integer number (37932226164).

Almost surely, 2^561004550041 is an apocalyptic number.

It is an amenable number.

561004550041 is a deficient number, since it is larger than the sum of its proper divisors (45911068583).

561004550041 is a wasteful number, since it uses less digits than its factorization.

561004550041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30120.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 561004550041 in words is "five hundred sixty-one billion, four million, five hundred fifty thousand, forty-one".