25265152265 has 16 divisors (see below), whose sum is σ = 30825639936. Its totient is φ = 19875307200.

The previous prime is 25265152243. The next prime is 25265152267. The reversal of 25265152265 is 56225156252.

It is a de Polignac number, because none of the positive numbers 2^k-25265152265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25265152267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43055 + ... + 228875.

It is an arithmetic number, because the mean of its divisors is an integer number (1926602496).

Almost surely, 2^25265152265 is an apocalyptic number.

It is an amenable number.

25265152265 is a deficient number, since it is larger than the sum of its proper divisors (5560487671).

25265152265 is a wasteful number, since it uses less digits than its factorization.

25265152265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186280.

The product of its digits is 360000, while the sum is 41.

The spelling of 25265152265 in words is "twenty-five billion, two hundred sixty-five million, one hundred fifty-two thousand, two hundred sixty-five".