11551306199 has 2 divisors, whose sum is σ = 11551306200. Its totient is φ = 11551306198.

The previous prime is 11551306189. The next prime is 11551306229. The reversal of 11551306199 is 99160315511.

11551306199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11551306199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551306159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775653099 + 5775653100.

It is an arithmetic number, because the mean of its divisors is an integer number (5775653100).

Almost surely, 2^11551306199 is an apocalyptic number.

11551306199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551306199 is an equidigital number, since it uses as much as digits as its factorization.

11551306199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 41.

The spelling of 11551306199 in words is "eleven billion, five hundred fifty-one million, three hundred six thousand, one hundred ninety-nine".