25560325503 has 48 divisors (see below), whose sum is σ = 39450748896. Its totient is φ = 15891240960.

The previous prime is 25560325501. The next prime is 25560325517. The reversal of 25560325503 is 30552306552.

25560325503 is a `hidden beast` number, since 25 + 5 + 603 + 25 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 25560325503 - 2¹ = 25560325501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25560325501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18507873 + ... + 18509253.

It is an arithmetic number, because the mean of its divisors is an integer number (821890602).

Almost surely, 2^25560325503 is an apocalyptic number.

25560325503 is a deficient number, since it is larger than the sum of its proper divisors (13890423393).

25560325503 is a wasteful number, since it uses less digits than its factorization.

25560325503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 25560325503 in words is "twenty-five billion, five hundred sixty million, three hundred twenty-five thousand, five hundred three".