25071571120 has 80 divisors (see below), whose sum is σ = 59183479872. Its totient is φ = 9875496960.

The previous prime is 25071571111. The next prime is 25071571139. The reversal of 25071571120 is 2117517052.

It is a tau number, because it is divible by the number of its divisors (80).

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, 5865304 + ... + 5869576.

Almost surely, 2^25071571120 is an apocalyptic number.

25071571120 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 25071571120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29591739936).

25071571120 is an abundant number, since it is smaller than the sum of its proper divisors (34111908752).

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

25071571120 is a wasteful number, since it uses less digits than its factorization.

25071571120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390 (or 5384 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 31.

The spelling of 25071571120 in words is "twenty-five billion, seventy-one million, five hundred seventy-one thousand, one hundred twenty".