12553256016 has 320 divisors, whose sum is σ = 42637271040. Its totient is φ = 3461667840.

The previous prime is 12553255999. The next prime is 12553256017. The reversal of 12553256016 is 61065235521.

12553256016 is a `hidden beast` number, since 1 + 2 + 55 + 32 + 560 + 16 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553256017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12769861 + ... + 12770843.

It is an arithmetic number, because the mean of its divisors is an integer number (133241472).

Almost surely, 2^12553256016 is an apocalyptic number.

12553256016 is a gapful number since it is divisible by the number (16) 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 12553256016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21318635520).

12553256016 is an abundant number, since it is smaller than the sum of its proper divisors (30084015024).

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

12553256016 is a wasteful number, since it uses less digits than its factorization.

12553256016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 12553256016 in words is "twelve billion, five hundred fifty-three million, two hundred fifty-six thousand, sixteen".