16025397503 has 2 divisors, whose sum is σ = 16025397504. Its totient is φ = 16025397502.

The previous prime is 16025397481. The next prime is 16025397529. The reversal of 16025397503 is 30579352061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16025397503 - 2¹⁰ = 16025396479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16025397103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8012698751 + 8012698752.

It is an arithmetic number, because the mean of its divisors is an integer number (8012698752).

Almost surely, 2^16025397503 is an apocalyptic number.

16025397503 is a deficient number, since it is larger than the sum of its proper divisors (1).

16025397503 is an equidigital number, since it uses as much as digits as its factorization.

16025397503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 16025397503 in words is "sixteen billion, twenty-five million, three hundred ninety-seven thousand, five hundred three".