15520410041 has 2 divisors, whose sum is σ = 15520410042. Its totient is φ = 15520410040.

The previous prime is 15520410007. The next prime is 15520410173. The reversal of 15520410041 is 14001402551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13229830441 + 2290579600 = 115021^2 + 47860^2 .

It is a cyclic number.

It is not a de Polignac number, because 15520410041 - 2²⁶ = 15453301177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15520409989 and 15520410016.

It is not a weakly prime, because it can be changed into another prime (15520410001) 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 as a sum of consecutive naturals, namely, 7760205020 + 7760205021.

It is an arithmetic number, because the mean of its divisors is an integer number (7760205021).

Almost surely, 2^15520410041 is an apocalyptic number.

It is an amenable number.

15520410041 is a deficient number, since it is larger than the sum of its proper divisors (1).

15520410041 is an equidigital number, since it uses as much as digits as its factorization.

15520410041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 15520410041 its reverse (14001402551), we get a palindrome (29521812592).

The spelling of 15520410041 in words is "fifteen billion, five hundred twenty million, four hundred ten thousand, forty-one".