11227279871 has 8 divisors (see below), whose sum is σ = 11246382000. Its totient is φ = 11208193920.

The previous prime is 11227279853. The next prime is 11227279967. The reversal of 11227279871 is 17897272211.

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 11227279871 - 2⁶ = 11227279807 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 (11227279471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736980 + ... + 2741078.

It is an arithmetic number, because the mean of its divisors is an integer number (1405797750).

Almost surely, 2^11227279871 is an apocalyptic number.

11227279871 is a deficient number, since it is larger than the sum of its proper divisors (19102129).

11227279871 is an equidigital number, since it uses as much as digits as its factorization.

11227279871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089.

The product of its digits is 197568, while the sum is 47.

The spelling of 11227279871 in words is "eleven billion, two hundred twenty-seven million, two hundred seventy-nine thousand, eight hundred seventy-one".