25152525312 has 88 divisors (see below), whose sum is σ = 67095288672. Its totient is φ = 8377344000.

The previous prime is 25152525301. The next prime is 25152525319. The reversal of 25152525312 is 21352525152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152525319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4977187 + ... + 4982237.

Almost surely, 2^25152525312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25152525312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33547644336).

25152525312 is an abundant number, since it is smaller than the sum of its proper divisors (41942763360).

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

25152525312 is a wasteful number, since it uses less digits than its factorization.

25152525312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695 (or 6677 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The spelling of 25152525312 in words is "twenty-five billion, one hundred fifty-two million, five hundred twenty-five thousand, three hundred twelve".