11005916709 has 16 divisors (see below), whose sum is σ = 14811697152. Its totient is φ = 7268771328.

The previous prime is 11005916707. The next prime is 11005916741. The reversal of 11005916709 is 90761950011.

It is not a de Polignac number, because 11005916709 - 2¹ = 11005916707 is a prime.

It is a super-2 number, since 2×11005916709² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005916707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804444 + ... + 818010.

It is an arithmetic number, because the mean of its divisors is an integer number (925731072).

Almost surely, 2^11005916709 is an apocalyptic number.

It is an amenable number.

11005916709 is a deficient number, since it is larger than the sum of its proper divisors (3805780443).

11005916709 is a wasteful number, since it uses less digits than its factorization.

11005916709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076.

The product of its (nonzero) digits is 17010, while the sum is 39.

The spelling of 11005916709 in words is "eleven billion, five million, nine hundred sixteen thousand, seven hundred nine".