25462420416117 has 12 divisors (see below), whose sum is σ = 36781093752364. Its totient is φ = 16974004464000.

The previous prime is 25462420416109. The next prime is 25462420416149. The reversal of 25462420416117 is 71161402426452.

25462420416117 is a `hidden beast` number, since 2 + 5 + 4 + 6 + 2 + 4 + 20 + 4 + 1 + 611 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16141037443281 + 9321382972836 = 4017591^2 + 3053094^2 .

It is not a de Polignac number, because 25462420416117 - 2³ = 25462420416109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25462420416317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78368884 + ... + 78693117.

Almost surely, 2^{25462420416117} is an apocalyptic number.

It is an amenable number.

25462420416117 is a deficient number, since it is larger than the sum of its proper divisors (11318673336247).

25462420416117 is a wasteful number, since it uses less digits than its factorization.

25462420416117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157080020 (or 157080017 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 25462420416117 in words is "twenty-five trillion, four hundred sixty-two billion, four hundred twenty million, four hundred sixteen thousand, one hundred seventeen".