11780986392 has 96 divisors (see below), whose sum is σ = 36569988000. Its totient is φ = 3356301312.

The previous prime is 11780986391. The next prime is 11780986397. The reversal of 11780986392 is 29368908711.

11780986392 is a `hidden beast` number, since 1 + 178 + 0 + 9 + 86 + 392 = 666.

11780986392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11780986391) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 142408 + ... + 209384.

It is an arithmetic number, because the mean of its divisors is an integer number (380937375).

Almost surely, 2^11780986392 is an apocalyptic number.

11780986392 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 11780986392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18284994000).

11780986392 is an abundant number, since it is smaller than the sum of its proper divisors (24789001608).

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

11780986392 is a wasteful number, since it uses less digits than its factorization.

11780986392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67345 (or 67338 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 11780986392 in words is "eleven billion, seven hundred eighty million, nine hundred eighty-six thousand, three hundred ninety-two".