11644003228648 has 96 divisors (see below), whose sum is σ = 27655532460000. Its totient is φ = 4564618240896.

The previous prime is 11644003228607. The next prime is 11644003228679. The reversal of 11644003228648 is 84682230044611.

11644003228648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11644003228648² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 26738718 + ... + 27170701.

It is an arithmetic number, because the mean of its divisors is an integer number (288078463125).

Almost surely, 2^{11644003228648} is an apocalyptic number.

It is an amenable number.

11644003228648 is an abundant number, since it is smaller than the sum of its proper divisors (16011529231352).

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

11644003228648 is a wasteful number, since it uses less digits than its factorization.

11644003228648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53909487 (or 53909476 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 11644003228648 in words is "eleven trillion, six hundred forty-four billion, three million, two hundred twenty-eight thousand, six hundred forty-eight".