11100556111 has 8 divisors (see below), whose sum is σ = 11428452000. Its totient is φ = 10775381760.

The previous prime is 11100556097. The next prime is 11100556127. The reversal of 11100556111 is 11165500111.

11100556111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11100556111 - 2²³ = 11092167503 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 (11100506111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672106 + ... + 688423.

It is an arithmetic number, because the mean of its divisors is an integer number (1428556500).

Almost surely, 2^11100556111 is an apocalyptic number.

11100556111 is a deficient number, since it is larger than the sum of its proper divisors (327895889).

11100556111 is a wasteful number, since it uses less digits than its factorization.

11100556111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360769.

The product of its (nonzero) digits is 150, while the sum is 22.

The spelling of 11100556111 in words is "eleven billion, one hundred million, five hundred fifty-six thousand, one hundred eleven".