11051709911 has 8 divisors (see below), whose sum is σ = 12765611664. Its totient is φ = 9456008320.

The previous prime is 11051709899. The next prime is 11051709913. The reversal of 11051709911 is 11990715011.

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

It is a de Polignac number, because none of the positive numbers 2^k-11051709911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051709913) 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, 29549840 + ... + 29550213.

It is an arithmetic number, because the mean of its divisors is an integer number (1595701458).

Almost surely, 2^11051709911 is an apocalyptic number.

11051709911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11051709911 is a deficient number, since it is larger than the sum of its proper divisors (1713901753).

11051709911 is a wasteful number, since it uses less digits than its factorization.

11051709911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59100081.

The product of its (nonzero) digits is 2835, while the sum is 35.

The spelling of 11051709911 in words is "eleven billion, fifty-one million, seven hundred nine thousand, nine hundred eleven".