11199916807 has 2 divisors, whose sum is σ = 11199916808. Its totient is φ = 11199916806.

The previous prime is 11199916787. The next prime is 11199916853. The reversal of 11199916807 is 70861999111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11199916807 - 2²³ = 11191528199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11199916877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599958403 + 5599958404.

It is an arithmetic number, because the mean of its divisors is an integer number (5599958404).

Almost surely, 2^11199916807 is an apocalyptic number.

11199916807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199916807 is an equidigital number, since it uses as much as digits as its factorization.

11199916807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 52.

The spelling of 11199916807 in words is "eleven billion, one hundred ninety-nine million, nine hundred sixteen thousand, eight hundred seven".