11781893706 has 32 divisors (see below), whose sum is σ = 25709875200. Its totient is φ = 3569725680.

The previous prime is 11781893689. The next prime is 11781893719. The reversal of 11781893706 is 60739818711.

11781893706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 713815 + ... + 730133.

It is an arithmetic number, because the mean of its divisors is an integer number (803433600).

Almost surely, 2^11781893706 is an apocalyptic number.

11781893706 is an abundant number, since it is smaller than the sum of its proper divisors (13927981494).

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

11781893706 is a wasteful number, since it uses less digits than its factorization.

11781893706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27274.

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 11781893706 in words is "eleven billion, seven hundred eighty-one million, eight hundred ninety-three thousand, seven hundred six".