25663030117005 has 16 divisors (see below), whose sum is σ = 41064629025024. Its totient is φ = 13685689116480.

The previous prime is 25663030116949. The next prime is 25663030117009. The reversal of 25663030117005 is 50071103036652.

It is not a de Polignac number, because 25663030117005 - 2¹¹ = 25663030114957 is a prime.

It is a super-2 number, since 2×25663030117005² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25663030117009) 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 15 ways as a sum of consecutive naturals, for example, 78599109 + ... + 78924938.

It is an arithmetic number, because the mean of its divisors is an integer number (2566539314064).

Almost surely, 2^{25663030117005} is an apocalyptic number.

It is an amenable number.

25663030117005 is a deficient number, since it is larger than the sum of its proper divisors (15401598908019).

25663030117005 is a wasteful number, since it uses less digits than its factorization.

25663030117005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157534916.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 25663030117005 in words is "twenty-five trillion, six hundred sixty-three billion, thirty million, one hundred seventeen thousand, five".