25505080802803 has 16 divisors (see below), whose sum is σ = 29440509891840. Its totient is φ = 21642660972000.

The previous prime is 25505080802791. The next prime is 25505080802813. The reversal of 25505080802803 is 30820808050552.

It is not a de Polignac number, because 25505080802803 - 2²⁹ = 25504543931891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25505080802813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4443228 + ... + 8411446.

It is an arithmetic number, because the mean of its divisors is an integer number (1840031868240).

Almost surely, 2^{25505080802803} is an apocalyptic number.

25505080802803 is a deficient number, since it is larger than the sum of its proper divisors (3935429089037).

25505080802803 is a wasteful number, since it uses less digits than its factorization.

25505080802803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977418.

The product of its (nonzero) digits is 768000, while the sum is 46.

The spelling of 25505080802803 in words is "twenty-five trillion, five hundred five billion, eighty million, eight hundred two thousand, eight hundred three".