25005275255505 has 16 divisors (see below), whose sum is σ = 40605581312064. Its totient is φ = 13137099835200.

The previous prime is 25005275255473. The next prime is 25005275255539. The reversal of 25005275255505 is 50555257250052.

It is a happy number.

It is not a de Polignac number, because 25005275255505 - 2⁵ = 25005275255473 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, 12440434446 + ... + 12440436455.

It is an arithmetic number, because the mean of its divisors is an integer number (2537848832004).

Almost surely, 2^{25005275255505} is an apocalyptic number.

It is an amenable number.

25005275255505 is a deficient number, since it is larger than the sum of its proper divisors (15600306056559).

25005275255505 is a wasteful number, since it uses less digits than its factorization.

25005275255505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880870976.

The product of its (nonzero) digits is 4375000, while the sum is 48.

The spelling of 25005275255505 in words is "twenty-five trillion, five billion, two hundred seventy-five million, two hundred fifty-five thousand, five hundred five".