11143555534111 has 128 divisors (see below), whose sum is σ = 15682384650240. Its totient is φ = 7637220864000.

The previous prime is 11143555534057. The next prime is 11143555534123.

11143555534111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11143555534111 - 2¹⁹ = 11143555009823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143555534211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 917687706 + ... + 917699848.

It is an arithmetic number, because the mean of its divisors is an integer number (122518630080).

Almost surely, 2^{11143555534111} is an apocalyptic number.

11143555534111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11143555534111 is a deficient number, since it is larger than the sum of its proper divisors (4538829116129).

11143555534111 is a wasteful number, since it uses less digits than its factorization.

11143555534111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617.

The product of its digits is 90000, while the sum is 40.

It can be divided in two parts, 1114355 and 5534111, that added together give a palindrome (6648466).

The spelling of 11143555534111 in words is "eleven trillion, one hundred forty-three billion, five hundred fifty-five million, five hundred thirty-four thousand, one hundred eleven".