25263887776265 has 32 divisors (see below), whose sum is σ = 31370800075776. Its totient is φ = 19511548922880.

The previous prime is 25263887776249. The next prime is 25263887776277. The reversal of 25263887776265 is 56267778836252.

It is not a de Polignac number, because 25263887776265 - 2⁴ = 25263887776249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25263887776192 and 25263887776201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303344669 + ... + 303427941.

It is an arithmetic number, because the mean of its divisors is an integer number (980337502368).

Almost surely, 2^{25263887776265} is an apocalyptic number.

It is an amenable number.

25263887776265 is a deficient number, since it is larger than the sum of its proper divisors (6106912299511).

25263887776265 is a wasteful number, since it uses less digits than its factorization.

25263887776265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88049.

The product of its digits is 2844979200, while the sum is 74.

The spelling of 25263887776265 in words is "twenty-five trillion, two hundred sixty-three billion, eight hundred eighty-seven million, seven hundred seventy-six thousand, two hundred sixty-five".