25050505005505 has 16 divisors (see below), whose sum is σ = 34362745853184. Its totient is φ = 17173605366720.

The previous prime is 25050505005391. The next prime is 25050505005523. The reversal of 25050505005505 is 50550050505052.

It is not a de Polignac number, because 25050505005505 - 2¹⁹ = 25050504481217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80755066 + ... + 81064675.

It is an arithmetic number, because the mean of its divisors is an integer number (2147671615824).

Almost surely, 2^{25050505005505} is an apocalyptic number.

It is an amenable number.

25050505005505 is a deficient number, since it is larger than the sum of its proper divisors (9312240847679).

25050505005505 is a wasteful number, since it uses less digits than its factorization.

25050505005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161824176.

The product of its (nonzero) digits is 156250, while the sum is 37.

The spelling of 25050505005505 in words is "twenty-five trillion, fifty billion, five hundred five million, five thousand, five hundred five".