25505080802804 has 12 divisors (see below), whose sum is σ = 44633935913028. Its totient is φ = 12752527684800.

The previous prime is 25505080802791. The next prime is 25505080802813. The reversal of 25505080802804 is 40820808050552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12888746208100 + 12616334594704 = 3590090^2 + 3551948^2 .

It is a super-2 number, since 2×25505080802804² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435234 + ... + 7545894.

It is an arithmetic number, because the mean of its divisors is an integer number (3719494659419).

Almost surely, 2^{25505080802804} is an apocalyptic number.

It is an amenable number.

25505080802804 is a deficient number, since it is larger than the sum of its proper divisors (19128855110224).

25505080802804 is a wasteful number, since it uses less digits than its factorization.

25505080802804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358306 (or 6358304 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 47.

The spelling of 25505080802804 in words is "twenty-five trillion, five hundred five billion, eighty million, eight hundred two thousand, eight hundred four".