25155175065 has 16 divisors (see below), whose sum is σ = 40504642368. Its totient is φ = 13330639296.

The previous prime is 25155175063. The next prime is 25155175069. The reversal of 25155175065 is 56057155152.

It is not a de Polignac number, because 25155175065 - 2¹ = 25155175063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25155175061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5338447 + ... + 5343156.

It is an arithmetic number, because the mean of its divisors is an integer number (2531540148).

Almost surely, 2^25155175065 is an apocalyptic number.

It is an amenable number.

25155175065 is a deficient number, since it is larger than the sum of its proper divisors (15349467303).

25155175065 is a wasteful number, since it uses less digits than its factorization.

25155175065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681768.

The product of its (nonzero) digits is 262500, while the sum is 42.

The spelling of 25155175065 in words is "twenty-five billion, one hundred fifty-five million, one hundred seventy-five thousand, sixty-five".