15506216041 has 2 divisors, whose sum is σ = 15506216042. Its totient is φ = 15506216040.

The previous prime is 15506216021. The next prime is 15506216053. The reversal of 15506216041 is 14061260551.

15506216041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14526275625 + 979940416 = 120525^2 + 31304^2 .

It is a cyclic number.

It is not a de Polignac number, because 15506216041 - 2¹¹ = 15506213993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15506215994 and 15506216012.

It is not a weakly prime, because it can be changed into another prime (15506216021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7753108020 + 7753108021.

It is an arithmetic number, because the mean of its divisors is an integer number (7753108021).

Almost surely, 2^15506216041 is an apocalyptic number.

It is an amenable number.

15506216041 is a deficient number, since it is larger than the sum of its proper divisors (1).

15506216041 is an equidigital number, since it uses as much as digits as its factorization.

15506216041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 15506216041 its reverse (14061260551), we get a palindrome (29567476592).

The spelling of 15506216041 in words is "fifteen billion, five hundred six million, two hundred sixteen thousand, forty-one".