11071784394 has 48 divisors (see below), whose sum is σ = 26778289824. Its totient is φ = 3277058400.

The previous prime is 11071784393. The next prime is 11071784411. The reversal of 11071784394 is 49348717011.

11071784394 is a `hidden beast` number, since 110 + 71 + 7 + 84 + 394 = 666.

11071784394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11071784393) 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, 641697 + ... + 658724.

It is an arithmetic number, because the mean of its divisors is an integer number (557881038).

Almost surely, 2^11071784394 is an apocalyptic number.

11071784394 is an abundant number, since it is smaller than the sum of its proper divisors (15706505430).

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

11071784394 is a wasteful number, since it uses less digits than its factorization.

11071784394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300483 (or 1300480 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 11071784394 in words is "eleven billion, seventy-one million, seven hundred eighty-four thousand, three hundred ninety-four".