25550550530003 has 4 divisors (see below), whose sum is σ = 25572075847560. Its totient is φ = 25529025212448.

The previous prime is 25550550529997. The next prime is 25550550530059. The reversal of 25550550530003 is 30003505505552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25550550530003 - 2²⁰ = 25550549481427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25550550530093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10762656998 + ... + 10762659371.

It is an arithmetic number, because the mean of its divisors is an integer number (6393018961890).

Almost surely, 2^{25550550530003} is an apocalyptic number.

25550550530003 is a deficient number, since it is larger than the sum of its proper divisors (21525317557).

25550550530003 is a wasteful number, since it uses less digits than its factorization.

25550550530003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21525317556.

The product of its (nonzero) digits is 281250, while the sum is 38.

The spelling of 25550550530003 in words is "twenty-five trillion, five hundred fifty billion, five hundred fifty million, five hundred thirty thousand, three".