11201199999 has 16 divisors (see below), whose sum is σ = 16335212544. Its totient is φ = 6770873600.

The previous prime is 11201199991. The next prime is 11201200001. The reversal of 11201199999 is 99999110211.

It is a cyclic number.

It is not a de Polignac number, because 11201199999 - 2³ = 11201199991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201199991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430482 + ... + 455759.

It is an arithmetic number, because the mean of its divisors is an integer number (1020950784).

Almost surely, 2^11201199999 is an apocalyptic number.

11201199999 is a deficient number, since it is larger than the sum of its proper divisors (5134012545).

11201199999 is a wasteful number, since it uses less digits than its factorization.

11201199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886638.

The product of its (nonzero) digits is 118098, while the sum is 51.

The spelling of 11201199999 in words is "eleven billion, two hundred one million, one hundred ninety-nine thousand, nine hundred ninety-nine".