25050050000505 has 24 divisors (see below), whose sum is σ = 43432831308672. Its totient is φ = 13356105238944.

The previous prime is 25050050000483. The next prime is 25050050000593. The reversal of 25050050000505 is 50500005005052.

It is a happy number.

It is not a de Polignac number, because 25050050000505 - 2¹⁵ = 25050049967737 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81541399 + ... + 81848028.

It is an arithmetic number, because the mean of its divisors is an integer number (1809701304528).

Almost surely, 2^{25050050000505} is an apocalyptic number.

It is an amenable number.

25050050000505 is a deficient number, since it is larger than the sum of its proper divisors (18382781308167).

25050050000505 is a wasteful number, since it uses less digits than its factorization.

25050050000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163392845 (or 163392842 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

Adding to 25050050000505 its reverse (50500005005052), we get a palindrome (75550055005557).

The spelling of 25050050000505 in words is "twenty-five trillion, fifty billion, fifty million, five hundred five", and thus it is an aban number.