12655526004 has 144 divisors (see below), whose sum is σ = 37041600960. Its totient is φ = 3632904000.

The previous prime is 12655525999. The next prime is 12655526029. The reversal of 12655526004 is 40062555621.

12655526004 is a `hidden beast` number, since 126 + 5 + 5 + 526 + 0 + 0 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12655526004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 903454 + ... + 917354.

It is an arithmetic number, because the mean of its divisors is an integer number (257233340).

Almost surely, 2^12655526004 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 12655526004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18520800480).

12655526004 is an abundant number, since it is smaller than the sum of its proper divisors (24386074956).

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

12655526004 is a wasteful number, since it uses less digits than its factorization.

12655526004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963 (or 13936 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 12655526004 in words is "twelve billion, six hundred fifty-five million, five hundred twenty-six thousand, four".