4104112561 has 8 divisors (see below), whose sum is σ = 4125050280. Its totient is φ = 4083203712.

The previous prime is 4104112549. The next prime is 4104112577. The reversal of 4104112561 is 1652114014.

It can be written as a sum of positive squares in 4 ways, for example, as 1802511936 + 2301600625 = 42456^2 + 47975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4104112561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4104112591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313495 + ... + 326323.

It is an arithmetic number, because the mean of its divisors is an integer number (515631285).

Almost surely, 2^4104112561 is an apocalyptic number.

It is an amenable number.

4104112561 is a deficient number, since it is larger than the sum of its proper divisors (20937719).

4104112561 is a wasteful number, since it uses less digits than its factorization.

4104112561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4104112561 is about 64063.3480314602. The cubic root of 4104112561 is about 1601.0556264267.

Adding to 4104112561 its reverse (1652114014), we get a palindrome (5756226575).

The spelling of 4104112561 in words is "four billion, one hundred four million, one hundred twelve thousand, five hundred sixty-one".