11781168807 has 16 divisors (see below), whose sum is σ = 15836728320. Its totient is φ = 7790066592.

The previous prime is 11781168797. The next prime is 11781168811. The reversal of 11781168807 is 70886118711.

It is not a de Polignac number, because 11781168807 - 2⁶ = 11781168743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11781168407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206569 + ... + 257357.

It is an arithmetic number, because the mean of its divisors is an integer number (989795520).

Almost surely, 2^11781168807 is an apocalyptic number.

11781168807 is a deficient number, since it is larger than the sum of its proper divisors (4055559513).

11781168807 is a wasteful number, since it uses less digits than its factorization.

11781168807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51422.

The product of its (nonzero) digits is 150528, while the sum is 48.

The spelling of 11781168807 in words is "eleven billion, seven hundred eighty-one million, one hundred sixty-eight thousand, eight hundred seven".