25206504204320 has 96 divisors (see below), whose sum is σ = 59648052215808. Its totient is φ = 10066066956288.

The previous prime is 25206504204313. The next prime is 25206504204331. The reversal of 25206504204320 is 2340240560252.

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, 911712737 + ... + 911740383.

It is an arithmetic number, because the mean of its divisors is an integer number (621333877248).

Almost surely, 2^{25206504204320} is an apocalyptic number.

25206504204320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25206504204320 is an abundant number, since it is smaller than the sum of its proper divisors (34441548011488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25206504204320 is a wasteful number, since it uses less digits than its factorization.

25206504204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36802 (or 36794 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 25206504204320 its reverse (2340240560252), we get a palindrome (27546744764572).

The spelling of 25206504204320 in words is "twenty-five trillion, two hundred six billion, five hundred four million, two hundred four thousand, three hundred twenty".