11055105511 has 16 divisors (see below), whose sum is σ = 11452240800. Its totient is φ = 10665164160.

The previous prime is 11055105497. The next prime is 11055105533. The reversal of 11055105511 is 11550155011.

It is a cyclic number.

It is not a de Polignac number, because 11055105511 - 2¹⁷ = 11054974439 is a prime.

It is a super-2 number, since 2×11055105511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055105211) 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, 1154901 + ... + 1164433.

It is an arithmetic number, because the mean of its divisors is an integer number (715765050).

Almost surely, 2^11055105511 is an apocalyptic number.

11055105511 is a deficient number, since it is larger than the sum of its proper divisors (397135289).

11055105511 is a wasteful number, since it uses less digits than its factorization.

11055105511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906.

The product of its (nonzero) digits is 625, while the sum is 25.

The spelling of 11055105511 in words is "eleven billion, fifty-five million, one hundred five thousand, five hundred eleven".