25005502803 has 16 divisors (see below), whose sum is σ = 34121035520. Its totient is φ = 16280266464.

The previous prime is 25005502787. The next prime is 25005502817. The reversal of 25005502803 is 30820550052.

It is not a de Polignac number, because 25005502803 - 2⁴ = 25005502787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25005502003) 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, 1459893 + ... + 1476921.

It is an arithmetic number, because the mean of its divisors is an integer number (2132564720).

Almost surely, 2^25005502803 is an apocalyptic number.

25005502803 is a deficient number, since it is larger than the sum of its proper divisors (9115532717).

25005502803 is a wasteful number, since it uses less digits than its factorization.

25005502803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28458.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25005502803 in words is "twenty-five billion, five million, five hundred two thousand, eight hundred three".