11788764004426 has 16 divisors (see below), whose sum is σ = 17812000252296. Its totient is φ = 5851499037696.

The previous prime is 11788764004421. The next prime is 11788764004427. The reversal of 11788764004426 is 62440046788711.

It can be written as a sum of positive squares in 4 ways, for example, as 6693609014401 + 5095154990025 = 2587201^2 + 2257245^2 .

It is not an unprimeable number, because it can be changed into a prime (11788764004421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16767591 + ... + 17456506.

Almost surely, 2^{11788764004426} is an apocalyptic number.

11788764004426 is a deficient number, since it is larger than the sum of its proper divisors (6023236247870).

11788764004426 is a wasteful number, since it uses less digits than its factorization.

11788764004426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34225353.

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 11788764004426 in words is "eleven trillion, seven hundred eighty-eight billion, seven hundred sixty-four million, four thousand, four hundred twenty-six".