11005061011 has 8 divisors (see below), whose sum is σ = 12598214400. Its totient is φ = 9417158088.

The previous prime is 11005061009. The next prime is 11005061017. The reversal of 11005061011 is 11016050011.

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

It is a cyclic number.

It is not a de Polignac number, because 11005061011 - 2¹ = 11005061009 is a prime.

It is a super-2 number, since 2×11005061011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11005061017) 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, 1308121 + ... + 1316506.

It is an arithmetic number, because the mean of its divisors is an integer number (1574776800).

Almost surely, 2^11005061011 is an apocalyptic number.

11005061011 is a deficient number, since it is larger than the sum of its proper divisors (1593153389).

11005061011 is an equidigital number, since it uses as much as digits as its factorization.

11005061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625233.

The product of its (nonzero) digits is 30, while the sum is 16.

The spelling of 11005061011 in words is "eleven billion, five million, sixty-one thousand, eleven".