11648742199 has 8 divisors (see below), whose sum is σ = 11723049648. Its totient is φ = 11574615360.

The previous prime is 11648742191. The next prime is 11648742223. The reversal of 11648742199 is 99124784611.

11648742199 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11648742199 - 2³ = 11648742191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11648742191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85449 + ... + 174925.

It is an arithmetic number, because the mean of its divisors is an integer number (1465381206).

Almost surely, 2^11648742199 is an apocalyptic number.

11648742199 is a deficient number, since it is larger than the sum of its proper divisors (74307449).

11648742199 is an equidigital number, since it uses as much as digits as its factorization.

11648742199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90305.

The product of its digits is 870912, while the sum is 52.

The spelling of 11648742199 in words is "eleven billion, six hundred forty-eight million, seven hundred forty-two thousand, one hundred ninety-nine".