25241656006163 has 4 divisors (see below), whose sum is σ = 26112057937440. Its totient is φ = 24371254074888.

The previous prime is 25241656006153. The next prime is 25241656006187. The reversal of 25241656006163 is 36160065614252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25241656006163 - 2²⁴ = 25241639228947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25241656006153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 435200965595 + ... + 435200965652.

It is an arithmetic number, because the mean of its divisors is an integer number (6528014484360).

Almost surely, 2^{25241656006163} is an apocalyptic number.

25241656006163 is a deficient number, since it is larger than the sum of its proper divisors (870401931277).

25241656006163 is an equidigital number, since it uses as much as digits as its factorization.

25241656006163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870401931276.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 25241656006163 in words is "twenty-five trillion, two hundred forty-one billion, six hundred fifty-six million, six thousand, one hundred sixty-three".