11738555064 has 24 divisors (see below), whose sum is σ = 31791920160. Its totient is φ = 3912851664.

The previous prime is 11738555047. The next prime is 11738555089. The reversal of 11738555064 is 46055583711.

11738555064 is a `hidden beast` number, since 1 + 1 + 7 + 38 + 5 + 550 + 64 = 666.

11738555064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81517672 + ... + 81517815.

It is an arithmetic number, because the mean of its divisors is an integer number (1324663340).

Almost surely, 2^11738555064 is an apocalyptic number.

It is an amenable number.

11738555064 is an abundant number, since it is smaller than the sum of its proper divisors (20053365096).

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

11738555064 is a wasteful number, since it uses less digits than its factorization.

11738555064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163035499 (or 163035492 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 11738555064 in words is "eleven billion, seven hundred thirty-eight million, five hundred fifty-five thousand, sixty-four".