10111011909 has 8 divisors (see below), whose sum is σ = 13587502080. Its totient is φ = 6687598176.

The previous prime is 10111011881. The next prime is 10111011913. The reversal of 10111011909 is 90911011101.

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

It is not a de Polignac number, because 10111011909 - 2¹² = 10111007813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111011509) 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, 13268664 + ... + 13269425.

It is an arithmetic number, because the mean of its divisors is an integer number (1698437760).

Almost surely, 2^10111011909 is an apocalyptic number.

It is an amenable number.

10111011909 is a deficient number, since it is larger than the sum of its proper divisors (3476490171).

10111011909 is a wasteful number, since it uses less digits than its factorization.

10111011909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26538219.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 10111011909 in words is "ten billion, one hundred eleven million, eleven thousand, nine hundred nine".