11209275111 has 8 divisors (see below), whose sum is σ = 14966782960. Its totient is φ = 7462308672.

The previous prime is 11209275059. The next prime is 11209275137. The reversal of 11209275111 is 11157290211.

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

It is not a de Polignac number, because 11209275111 - 2²⁹ = 10672404199 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 (11209275191) 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, 2632870 + ... + 2637123.

It is an arithmetic number, because the mean of its divisors is an integer number (1870847870).

Almost surely, 2^11209275111 is an apocalyptic number.

11209275111 is a deficient number, since it is larger than the sum of its proper divisors (3757507849).

11209275111 is an equidigital number, since it uses as much as digits as its factorization.

11209275111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270705.

The product of its (nonzero) digits is 1260, while the sum is 30.

The spelling of 11209275111 in words is "eleven billion, two hundred nine million, two hundred seventy-five thousand, one hundred eleven".