25023222252100 has 18 divisors (see below), whose sum is σ = 54300392287274. Its totient is φ = 10009288900800.

The previous prime is 25023222252029. The next prime is 25023222252109. The reversal of 25023222252100 is 125222232052.

It can be written as a sum of positive squares in 3 ways, for example, as 8022988270144 + 17000233981956 = 2832488^2 + 4123134^2 .

It is not an unprimeable number, because it can be changed into a prime (25023222252109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125116111161 + ... + 125116111360.

Almost surely, 2^{25023222252100} is an apocalyptic number.

25023222252100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25023222252100 is an abundant number, since it is smaller than the sum of its proper divisors (29277170035174).

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

25023222252100 is a wasteful number, since it uses less digits than its factorization.

25023222252100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250232222535 (or 250232222528 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25023222252100 its reverse (125222232052), we get a palindrome (25148444484152).

The spelling of 25023222252100 in words is "twenty-five trillion, twenty-three billion, two hundred twenty-two million, two hundred fifty-two thousand, one hundred".