11644655426132 has 12 divisors (see below), whose sum is σ = 20378531838336. Its totient is φ = 5822217758040.

The previous prime is 11644655426081. The next prime is 11644655426153. The reversal of 11644655426132 is 23162455644611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27250244 + ... + 27674267.

It is an arithmetic number, because the mean of its divisors is an integer number (1698210986528).

Almost surely, 2^{11644655426132} is an apocalyptic number.

It is an amenable number.

11644655426132 is a deficient number, since it is larger than the sum of its proper divisors (8733876412204).

11644655426132 is a wasteful number, since it uses less digits than its factorization.

11644655426132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54977518 (or 54977516 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 50.

The spelling of 11644655426132 in words is "eleven trillion, six hundred forty-four billion, six hundred fifty-five million, four hundred twenty-six thousand, one hundred thirty-two".