11908920384 has 63 divisors (see below), whose sum is σ = 34142278807. Its totient is φ = 3968767104.

The previous prime is 11908920349. The next prime is 11908920389. The reversal of 11908920384 is 48302980911.

The square root of 11908920384 is 109128.

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

11908920384 is a `hidden beast` number, since 1 + 190 + 89 + 2 + 0 + 384 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11908920389) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2616799 + ... + 2621345.

Almost surely, 2^11908920384 is an apocalyptic number.

11908920384 is the 109128-th square number.

It is an amenable number.

11908920384 is an abundant number, since it is smaller than the sum of its proper divisors (22233358423).

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

11908920384 is an frugal number, since it uses more digits than its factorization.

11908920384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 11908920384 in words is "eleven billion, nine hundred eight million, nine hundred twenty thousand, three hundred eighty-four".