25025483161865 has 16 divisors (see below), whose sum is σ = 30050001216000. Its totient is φ = 20007443083392.

The previous prime is 25025483161837. The next prime is 25025483161867. The reversal of 25025483161865 is 56816138452052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25025483161865 - 2¹⁰ = 25025483160841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25025483161865.

It is not an unprimeable number, because it can be changed into a prime (25025483161867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48356264 + ... + 48871046.

It is an arithmetic number, because the mean of its divisors is an integer number (1878125076000).

Almost surely, 2^{25025483161865} is an apocalyptic number.

It is an amenable number.

25025483161865 is a deficient number, since it is larger than the sum of its proper divisors (5024518054135).

25025483161865 is a wasteful number, since it uses less digits than its factorization.

25025483161865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521056.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 25025483161865 in words is "twenty-five trillion, twenty-five billion, four hundred eighty-three million, one hundred sixty-one thousand, eight hundred sixty-five".