25552025505 has 40 divisors (see below), whose sum is σ = 46488068352. Its totient is φ = 13424333472.

The previous prime is 25552025489. The next prime is 25552025537. The reversal of 25552025505 is 50552025552.

25552025505 is a `hidden beast` number, since 2 + 55 + 52 + 0 + 2 + 550 + 5 = 666.

It is not a de Polignac number, because 25552025505 - 2⁴ = 25552025489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25552025505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 443697 + ... + 497966.

Almost surely, 2^25552025505 is an apocalyptic number.

It is an amenable number.

25552025505 is a deficient number, since it is larger than the sum of its proper divisors (20936042847).

25552025505 is an equidigital number, since it uses as much as digits as its factorization.

25552025505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941747 (or 941738 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The spelling of 25552025505 in words is "twenty-five billion, five hundred fifty-two million, twenty-five thousand, five hundred five".