10011091011 has 4 divisors (see below), whose sum is σ = 13348121352. Its totient is φ = 6674060672.

The previous prime is 10011091007. The next prime is 10011091081. The reversal of 10011091011 is 11019011001.

10011091011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10011091011 - 2² = 10011091007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10011091001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668515166 + ... + 1668515171.

It is an arithmetic number, because the mean of its divisors is an integer number (3337030338).

Almost surely, 2^10011091011 is an apocalyptic number.

10011091011 is a deficient number, since it is larger than the sum of its proper divisors (3337030341).

10011091011 is an equidigital number, since it uses as much as digits as its factorization.

10011091011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337030340.

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 10011091011 in words is "ten billion, eleven million, ninety-one thousand, eleven".