11738489472 has 192 divisors, whose sum is σ = 34384240800. Its totient is φ = 3843299328.

The previous prime is 11738489459. The next prime is 11738489489. The reversal of 11738489472 is 27498483711.

11738489472 is a `hidden beast` number, since 1 + 17 + 3 + 84 + 89 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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, 28015279 + ... + 28015697.

Almost surely, 2^11738489472 is an apocalyptic number.

11738489472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11738489472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17192120400).

11738489472 is an abundant number, since it is smaller than the sum of its proper divisors (22645751328).

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

11738489472 is a wasteful number, since it uses less digits than its factorization.

11738489472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 800 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 11738489472 in words is "eleven billion, seven hundred thirty-eight million, four hundred eighty-nine thousand, four hundred seventy-two".