11800099271 has 4 divisors (see below), whose sum is σ = 11806855512. Its totient is φ = 11793343032.

The previous prime is 11800099153. The next prime is 11800099273. The reversal of 11800099271 is 17299000811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17299000811 = 17 ⋅1017588283.

It is a cyclic number.

It is not a de Polignac number, because 11800099271 - 2¹⁴ = 11800082887 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 (11800099273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3375500 + ... + 3378993.

It is an arithmetic number, because the mean of its divisors is an integer number (2951713878).

Almost surely, 2^11800099271 is an apocalyptic number.

11800099271 is a deficient number, since it is larger than the sum of its proper divisors (6756241).

11800099271 is an equidigital number, since it uses as much as digits as its factorization.

11800099271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756240.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 11800099271 in words is "eleven billion, eight hundred million, ninety-nine thousand, two hundred seventy-one".