25555005003028 has 12 divisors (see below), whose sum is σ = 44787709367380. Its totient is φ = 12758516612352.

The previous prime is 25555005002999. The next prime is 25555005003029. The reversal of 25555005003028 is 82030050055552.

It can be written as a sum of positive squares in 2 ways, for example, as 17333549836164 + 8221455166864 = 4163358^2 + 2867308^2 .

It is a super-2 number, since 2×25555005003028² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555005003029) 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 3 ways as a sum of consecutive naturals, for example, 4746469263 + ... + 4746474646.

Almost surely, 2^{25555005003028} is an apocalyptic number.

It is an amenable number.

25555005003028 is a deficient number, since it is larger than the sum of its proper divisors (19232704364352).

25555005003028 is a wasteful number, since it uses less digits than its factorization.

25555005003028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492944586 (or 9492944584 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 25555005003028 in words is "twenty-five trillion, five hundred fifty-five billion, five million, three thousand, twenty-eight".