15663522103 has 2 divisors, whose sum is σ = 15663522104. Its totient is φ = 15663522102.

The previous prime is 15663522071. The next prime is 15663522107. The reversal of 15663522103 is 30122536651.

It is a strong prime.

It is an emirp because it is prime and its reverse (30122536651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15663522103 - 2⁵ = 15663522071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15663522107) 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, 7831761051 + 7831761052.

It is an arithmetic number, because the mean of its divisors is an integer number (7831761052).

Almost surely, 2^15663522103 is an apocalyptic number.

15663522103 is a deficient number, since it is larger than the sum of its proper divisors (1).

15663522103 is an equidigital number, since it uses as much as digits as its factorization.

15663522103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 15663522103 in words is "fifteen billion, six hundred sixty-three million, five hundred twenty-two thousand, one hundred three".