25545122360120 has 256 divisors, whose sum is σ = 65432184652800. Its totient is φ = 8964387801600.

The previous prime is 25545122360119. The next prime is 25545122360159. The reversal of 25545122360120 is 2106322154552.

It is a congruent number.

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, 5667874907 + ... + 5667879413.

It is an arithmetic number, because the mean of its divisors is an integer number (255594471300).

Almost surely, 2^{25545122360120} is an apocalyptic number.

25545122360120 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 25545122360120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32716092326400).

25545122360120 is an abundant number, since it is smaller than the sum of its proper divisors (39887062292680).

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

25545122360120 is a wasteful number, since it uses less digits than its factorization.

25545122360120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 25545122360120 in words is "twenty-five trillion, five hundred forty-five billion, one hundred twenty-two million, three hundred sixty thousand, one hundred twenty".