15225012503 has 2 divisors, whose sum is σ = 15225012504. Its totient is φ = 15225012502.

The previous prime is 15225012497. The next prime is 15225012521. The reversal of 15225012503 is 30521052251.

It is a weak prime.

It is an emirp because it is prime and its reverse (30521052251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15225012503 - 2⁴ = 15225012487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15225012533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612506251 + 7612506252.

It is an arithmetic number, because the mean of its divisors is an integer number (7612506252).

Almost surely, 2^15225012503 is an apocalyptic number.

15225012503 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225012503 is an equidigital number, since it uses as much as digits as its factorization.

15225012503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 15225012503 its reverse (30521052251), we get a palindrome (45746064754).

The spelling of 15225012503 in words is "fifteen billion, two hundred twenty-five million, twelve thousand, five hundred three".