11409119206 has 4 divisors (see below), whose sum is σ = 17113678812. Its totient is φ = 5704559602.

The previous prime is 11409119123. The next prime is 11409119207. The reversal of 11409119206 is 60291190411.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409119207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852279800 + ... + 2852279803.

It is an arithmetic number, because the mean of its divisors is an integer number (4278419703).

Almost surely, 2^11409119206 is an apocalyptic number.

11409119206 is a deficient number, since it is larger than the sum of its proper divisors (5704559606).

11409119206 is an equidigital number, since it uses as much as digits as its factorization.

11409119206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704559605.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 11409119206 in words is "eleven billion, four hundred nine million, one hundred nineteen thousand, two hundred six".