25453272312 has 96 divisors (see below), whose sum is σ = 74276027280. Its totient is φ = 7827840000.

The previous prime is 25453272239. The next prime is 25453272353. The reversal of 25453272312 is 21327235452.

25453272312 is a `hidden beast` number, since 2 + 54 + 532 + 72 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2256687 + ... + 2267937.

Almost surely, 2^25453272312 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 25453272312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37138013640).

25453272312 is an abundant number, since it is smaller than the sum of its proper divisors (48822754968).

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

25453272312 is a wasteful number, since it uses less digits than its factorization.

25453272312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693 (or 13686 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The spelling of 25453272312 in words is "twenty-five billion, four hundred fifty-three million, two hundred seventy-two thousand, three hundred twelve".