25260538105 has 16 divisors (see below), whose sum is σ = 33360989184. Its totient is φ = 18208718080.

The previous prime is 25260538103. The next prime is 25260538123. The reversal of 25260538105 is 50183506252.

It is a happy number.

It is not a de Polignac number, because 25260538105 - 2¹ = 25260538103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25260538103) 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, 2026009 + ... + 2038438.

It is an arithmetic number, because the mean of its divisors is an integer number (2085061824).

Almost surely, 2^25260538105 is an apocalyptic number.

It is an amenable number.

25260538105 is a deficient number, since it is larger than the sum of its proper divisors (8100451079).

25260538105 is a wasteful number, since it uses less digits than its factorization.

25260538105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064576.

The product of its (nonzero) digits is 72000, while the sum is 37.

It can be divided in two parts, 25260 and 538105, that added together give a palindrome (563365).

The spelling of 25260538105 in words is "twenty-five billion, two hundred sixty million, five hundred thirty-eight thousand, one hundred five".