25651252523555 has 8 divisors (see below), whose sum is σ = 30782990684592. Its totient is φ = 20520010247968.

The previous prime is 25651252523549. The next prime is 25651252523579. The reversal of 25651252523555 is 55532525215652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25651252523555 - 2¹⁰ = 25651252522531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25651252523497 and 25651252523506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123857549 + ... + 124064478.

It is an arithmetic number, because the mean of its divisors is an integer number (3847873835574).

Almost surely, 2^{25651252523555} is an apocalyptic number.

25651252523555 is a deficient number, since it is larger than the sum of its proper divisors (5131738161037).

25651252523555 is a wasteful number, since it uses less digits than its factorization.

25651252523555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247942725.

The product of its digits is 22500000, while the sum is 53.

The spelling of 25651252523555 in words is "twenty-five trillion, six hundred fifty-one billion, two hundred fifty-two million, five hundred twenty-three thousand, five hundred fifty-five".