10909111011 has 4 divisors (see below), whose sum is σ = 14545481352. Its totient is φ = 7272740672.

The previous prime is 10909110967. The next prime is 10909111019. The reversal of 10909111011 is 11011190901.

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

It is a cyclic number.

It is not a de Polignac number, because 10909111011 - 2¹¹ = 10909108963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10909111019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818185166 + ... + 1818185171.

It is an arithmetic number, because the mean of its divisors is an integer number (3636370338).

Almost surely, 2^10909111011 is an apocalyptic number.

10909111011 is a deficient number, since it is larger than the sum of its proper divisors (3636370341).

10909111011 is an equidigital number, since it uses as much as digits as its factorization.

10909111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636370340.

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

The spelling of 10909111011 in words is "ten billion, nine hundred nine million, one hundred eleven thousand, eleven".