25334253312 has 72 divisors (see below), whose sum is σ = 67872900480. Its totient is φ = 8388787200.

The previous prime is 25334253311. The next prime is 25334253337. The reversal of 25334253312 is 21335243352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25334253311) 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, 6739 + ... + 225197.

Almost surely, 2^25334253312 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 25334253312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33936450240).

25334253312 is an abundant number, since it is smaller than the sum of its proper divisors (42538647168).

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

25334253312 is a wasteful number, since it uses less digits than its factorization.

25334253312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218629 (or 218615 counting only the distinct ones).

The product of its digits is 64800, while the sum is 33.

Adding to 25334253312 its reverse (21335243352), we get a palindrome (46669496664).

The spelling of 25334253312 in words is "twenty-five billion, three hundred thirty-four million, two hundred fifty-three thousand, three hundred twelve".