25354122120 has 256 divisors, whose sum is σ = 89286624000. Its totient is φ = 6381877248.

The previous prime is 25354122113. The next prime is 25354122161. The reversal of 25354122120 is 2122145352.

25354122120 is a `hidden beast` number, since 2 + 5 + 35 + 412 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6010252 + ... + 6014468.

It is an arithmetic number, because the mean of its divisors is an integer number (348775875).

Almost surely, 2^25354122120 is an apocalyptic number.

25354122120 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 25354122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44643312000).

25354122120 is an abundant number, since it is smaller than the sum of its proper divisors (63932501880).

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

25354122120 is a wasteful number, since it uses less digits than its factorization.

25354122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4539 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25354122120 its reverse (2122145352), we get a palindrome (27476267472).

The spelling of 25354122120 in words is "twenty-five billion, three hundred fifty-four million, one hundred twenty-two thousand, one hundred twenty".