11101111111009 has 8 divisors (see below), whose sum is σ = 11107038960000. Its totient is φ = 11095184030832.

The previous prime is 11101111110961. The next prime is 11101111111063. The reversal of 11101111111009 is 90011111110111.

It is a happy number.

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 11101111111009 - 2²¹ = 11101109013857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101111181009) 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, 29949192 + ... + 30317590.

It is an arithmetic number, because the mean of its divisors is an integer number (1388379870000).

Almost surely, 2^{11101111111009} is an apocalyptic number.

It is an amenable number.

11101111111009 is a deficient number, since it is larger than the sum of its proper divisors (5927848991).

11101111111009 is a wasteful number, since it uses less digits than its factorization.

11101111111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384407.

The product of its (nonzero) digits is 9, while the sum is 19.

The spelling of 11101111111009 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred eleven thousand, nine".