25005505003 has 16 divisors (see below), whose sum is σ = 26566890624. Its totient is φ = 23454305280.

The previous prime is 25005505001. The next prime is 25005505043. The reversal of 25005505003 is 30050550052.

It is a cyclic number.

It is not a de Polignac number, because 25005505003 - 2¹ = 25005505001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25005505001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11700151 + ... + 11702287.

It is an arithmetic number, because the mean of its divisors is an integer number (1660430664).

Almost surely, 2^25005505003 is an apocalyptic number.

25005505003 is a deficient number, since it is larger than the sum of its proper divisors (1561385621).

25005505003 is a wasteful number, since it uses less digits than its factorization.

25005505003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182.

The product of its (nonzero) digits is 3750, while the sum is 25.

The spelling of 25005505003 in words is "twenty-five billion, five million, five hundred five thousand, three".