16525001503 has 2 divisors, whose sum is σ = 16525001504. Its totient is φ = 16525001502.

The previous prime is 16525001491. The next prime is 16525001539. The reversal of 16525001503 is 30510052561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16525001503 - 2¹⁷ = 16524870431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16525001543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8262500751 + 8262500752.

It is an arithmetic number, because the mean of its divisors is an integer number (8262500752).

Almost surely, 2^16525001503 is an apocalyptic number.

16525001503 is a deficient number, since it is larger than the sum of its proper divisors (1).

16525001503 is an equidigital number, since it uses as much as digits as its factorization.

16525001503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 16525001503 in words is "sixteen billion, five hundred twenty-five million, one thousand, five hundred three".