25052312120 has 64 divisors (see below), whose sum is σ = 61714332000. Its totient is φ = 9076999680.

The previous prime is 25052312113. The next prime is 25052312137. The reversal of 25052312120 is 2121325052.

It is a congruent 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, 19106 + ... + 224654.

Almost surely, 2^25052312120 is an apocalyptic number.

25052312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25052312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30857166000).

25052312120 is an abundant number, since it is smaller than the sum of its proper divisors (36662019880).

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

25052312120 is a wasteful number, since it uses less digits than its factorization.

25052312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205848 (or 205844 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 25052312120 its reverse (2121325052), we get a palindrome (27173637172).

The spelling of 25052312120 in words is "twenty-five billion, fifty-two million, three hundred twelve thousand, one hundred twenty".