25025225152120 has 128 divisors (see below), whose sum is σ = 57143766081600. Its totient is φ = 9862144782336.

The previous prime is 25025225152117. The next prime is 25025225152133. The reversal of 25025225152120 is 2125152252052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576185622 + ... + 1576201498.

Almost surely, 2^{25025225152120} is an apocalyptic number.

25025225152120 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 25025225152120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28571883040800).

25025225152120 is an abundant number, since it is smaller than the sum of its proper divisors (32118540929480).

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

25025225152120 is a wasteful number, since it uses less digits than its factorization.

25025225152120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17537 (or 17533 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 25025225152120 in words is "twenty-five trillion, twenty-five billion, two hundred twenty-five million, one hundred fifty-two thousand, one hundred twenty".