25068668105 has 8 divisors (see below), whose sum is σ = 32396432712. Its totient is φ = 18512247168.

The previous prime is 25068668101. The next prime is 25068668111. The reversal of 25068668105 is 50186686052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 257377849 + 24811290256 = 16043^2 + 157516^2 .

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 25068668105 - 2² = 25068668101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25068668105.

It is not an unprimeable number, because it can be changed into a prime (25068668101) 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 7 ways as a sum of consecutive naturals, for example, 192835844 + ... + 192835973.

It is an arithmetic number, because the mean of its divisors is an integer number (4049554089).

Almost surely, 2^25068668105 is an apocalyptic number.

It is an amenable number.

25068668105 is a deficient number, since it is larger than the sum of its proper divisors (7327764607).

25068668105 is a wasteful number, since it uses less digits than its factorization.

25068668105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385671835.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 25068668105 in words is "twenty-five billion, sixty-eight million, six hundred sixty-eight thousand, one hundred five".