11773986064 has 15 divisors (see below), whose sum is σ = 22812938967. Its totient is φ = 5886776016.

The previous prime is 11773986011. The next prime is 11773986067. The reversal of 11773986064 is 46068937711.

The square root of 11773986064 is 108508.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11773986067) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 420469 + ... + 447595.

Almost surely, 2^11773986064 is an apocalyptic number.

11773986064 is the 108508-th square number.

It is an amenable number.

11773986064 is a deficient number, since it is larger than the sum of its proper divisors (11038952903).

11773986064 is an frugal number, since it uses more digits than its factorization.

11773986064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54262 (or 27129 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 11773986064 in words is "eleven billion, seven hundred seventy-three million, nine hundred eighty-six thousand, sixty-four".