25200322011 has 12 divisors (see below), whose sum is σ = 38541669192. Its totient is φ = 15811966656.

The previous prime is 25200322001. The next prime is 25200322019. The reversal of 25200322011 is 11022300252.

It is not a de Polignac number, because 25200322011 - 2⁶ = 25200321947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25200322019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82353841 + ... + 82354146.

It is an arithmetic number, because the mean of its divisors is an integer number (3211805766).

Almost surely, 2^25200322011 is an apocalyptic number.

25200322011 is a deficient number, since it is larger than the sum of its proper divisors (13341347181).

25200322011 is a wasteful number, since it uses less digits than its factorization.

25200322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164708010 (or 164708007 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 25200322011 its reverse (11022300252), we get a palindrome (36222622263).

The spelling of 25200322011 in words is "twenty-five billion, two hundred million, three hundred twenty-two thousand, eleven".