11800665429696 has 504 divisors, whose sum is σ = 40087244633072. Its totient is φ = 3296899584000.

The previous prime is 11800665429691. The next prime is 11800665429799. The reversal of 11800665429696 is 69692456600811.

11800665429696 is a `hidden beast` number, since 1 + 1 + 80 + 0 + 6 + 6 + 542 + 9 + 6 + 9 + 6 = 666.

11800665429696 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 (11800665429691) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 794596671 + ... + 794611521.

Almost surely, 2^{11800665429696} is an apocalyptic number.

11800665429696 is a gapful number since it is divisible by the number (16) 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 11800665429696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20043622316536).

11800665429696 is an abundant number, since it is smaller than the sum of its proper divisors (28286579203376).

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

11800665429696 is a wasteful number, since it uses less digits than its factorization.

11800665429696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781 (or 15757 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 11800665429696 in words is "eleven trillion, eight hundred billion, six hundred sixty-five million, four hundred twenty-nine thousand, six hundred ninety-six".