11005556011 has 8 divisors (see below), whose sum is σ = 11252967264. Its totient is φ = 10760305920.

The previous prime is 11005555969. The next prime is 11005556017. The reversal of 11005556011 is 11065550011.

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 11005556011 - 2¹⁷ = 11005424939 is a prime.

It is a super-2 number, since 2×11005556011² (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 (11005556017) 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, 529990 + ... + 550363.

It is an arithmetic number, because the mean of its divisors is an integer number (1406620908).

Almost surely, 2^11005556011 is an apocalyptic number.

11005556011 is a deficient number, since it is larger than the sum of its proper divisors (247411253).

11005556011 is a wasteful number, since it uses less digits than its factorization.

11005556011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080581.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11005556011 in words is "eleven billion, five million, five hundred fifty-six thousand, eleven".