12755453256 has 384 divisors, whose sum is σ = 44073469440. Its totient is φ = 3243110400.

The previous prime is 12755453239. The next prime is 12755453261. The reversal of 12755453256 is 65235455721.

It is a happy number.

12755453256 is a `hidden beast` number, since 1 + 2 + 75 + 545 + 32 + 5 + 6 = 666.

Its product of digits (1260000) is a multiple of the sum of its prime divisors (630).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27668866 + ... + 27669326.

It is an arithmetic number, because the mean of its divisors is an integer number (114774660).

Almost surely, 2^12755453256 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 12755453256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22036734720).

12755453256 is an abundant number, since it is smaller than the sum of its proper divisors (31318016184).

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

12755453256 is a wasteful number, since it uses less digits than its factorization.

12755453256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 630 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The spelling of 12755453256 in words is "twelve billion, seven hundred fifty-five million, four hundred fifty-three thousand, two hundred fifty-six".