15530442041 has 4 divisors (see below), whose sum is σ = 15629362212. Its totient is φ = 15431521872.

The previous prime is 15530442023. The next prime is 15530442043. The reversal of 15530442041 is 14024403551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14024403551 = 45557 ⋅307843.

It can be written as a sum of positive squares in 2 ways, for example, as 4527271225 + 11003170816 = 67285^2 + 104896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15530442041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15530441995 and 15530442013.

It is not an unprimeable number, because it can be changed into a prime (15530442043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49459850 + ... + 49460163.

It is an arithmetic number, because the mean of its divisors is an integer number (3907340553).

Almost surely, 2^15530442041 is an apocalyptic number.

It is an amenable number.

15530442041 is a deficient number, since it is larger than the sum of its proper divisors (98920171).

15530442041 is an equidigital number, since it uses as much as digits as its factorization.

15530442041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98920170.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 15530442041 its reverse (14024403551), we get a palindrome (29554845592).

The spelling of 15530442041 in words is "fifteen billion, five hundred thirty million, four hundred forty-two thousand, forty-one".