25269628585 has 16 divisors (see below), whose sum is σ = 30905017344. Its totient is φ = 19828291392.

The previous prime is 25269628487. The next prime is 25269628609. The reversal of 25269628585 is 58582696252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25269628585 - 2⁹ = 25269628073 is a prime.

It is a Duffinian number.

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, 1000624 + ... + 1025566.

It is an arithmetic number, because the mean of its divisors is an integer number (1931563584).

Almost surely, 2^25269628585 is an apocalyptic number.

It is an amenable number.

25269628585 is a deficient number, since it is larger than the sum of its proper divisors (5635388759).

25269628585 is a wasteful number, since it uses less digits than its factorization.

25269628585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28824.

The product of its digits is 20736000, while the sum is 58.

The spelling of 25269628585 in words is "twenty-five billion, two hundred sixty-nine million, six hundred twenty-eight thousand, five hundred eighty-five".