11109994906 has 8 divisors (see below), whose sum is σ = 17542097280. Its totient is φ = 5262629148.

The previous prime is 11109994897. The next prime is 11109994933. The reversal of 11109994906 is 60949990111.

It is a happy number.

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

It is a super-2 number, since 2×11109994906² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11109994906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146184106 + ... + 146184181.

It is an arithmetic number, because the mean of its divisors is an integer number (2192762160).

Almost surely, 2^11109994906 is an apocalyptic number.

11109994906 is a deficient number, since it is larger than the sum of its proper divisors (6432102374).

11109994906 is a wasteful number, since it uses less digits than its factorization.

11109994906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292368308.

The product of its (nonzero) digits is 157464, while the sum is 49.

The spelling of 11109994906 in words is "eleven billion, one hundred nine million, nine hundred ninety-four thousand, nine hundred six".